Over a relatively short period of time, usually about four to twelve weeks, the worker must be able to shift the focus, back and forth, between immediate external stressful exigencies ( `` precipitating stress '' ) and the key, emotionally relevant issues ( `` underlying problem '' ) which are, often in a dramatic preconscious breakthrough, reactivated by the crisis situation, and hence once again amenable to resolution.

Over time, he developed an approach known as structural functionalism, which focused on how institutions in societies worked to balance out or create an equilibrium in the social system to keep it functioning harmoniously.

Over time, amphibians shrank in size and decreased in diversity, leaving only the modern subclass Lissamphibia.

Over time, the alphabet developed into the form shown below.

Over half of the tax revenues in the January – August 2008 time period were generated from value-added taxes ( VAT ).

Over time, a host of software and computer industries have developed around the university.

Over time, she proved to be a scientific colleague to her husband.

Over time, especially with the suppression of rebellions, Athens exercised hegemony over the rest of the league.

The ULA had an issue similar to those experienced by other socketed CPU's ; Over time, the thermal heating and cooling could cause the ULA to rise slightly out of it's socket just enough to cause the machine to start exhibiting ' hanging ' or other startup-failure issues, such as a continuous ' startup beep '.

Over time, he gradually took over responsibility for the relationships between the small Bahá ' i exile community and the outside world.

" Over time, scientists would build on his initial ideas to form the modern synthesis.

Over a long period of time, the slightly denser regions of the nearly uniformly distributed matter gravitationally attracted nearby matter and thus grew even denser, forming gas clouds, stars, galaxies, and the other astronomical structures observable today.

Over time the standards developed to cover many aspects of tangible engineering, and then engineering methodologies including quality systems, safety and security.

Over time the forms of and ideas about communication have evolved through progression of technology.

Over time, as new states were formed from federal territories, these territorial reception statutes became obsolete and were re-enacted as state law.

Over time, the intermarriage of the Kanembu and Bornu peoples created a new people and language, the Kanuri, and founded a new capital, Ngazargamu.

Over time this process has been regulated and insured by central banks.

Over time, the peat grows deeper.

" Over historical time spans there are a number of nearly constant variables that determine climate, including latitude, altitude, proportion of land to water, and proximity to oceans and mountains.

Over time, the group's founding members began leaving.

Over time, these canons were supplemented with decretals of the Bishops of Rome, which were responses to doubts or problems according to the maxim, " Roma locuta est, causa finita est " (" Rome has spoken, case is closed ").

Over time, the general conservative ideology in many countries adopted economic liberal arguments, and the term liberal conservatism was replaced with conservatism.

Over time, the coyotes killed most of the cats, and then continued to eat the cat food placed daily at the colony site by people who were maintaining the cat colony.

" Don't Dream It's Over " was named the seventh best Australian song of all time in 2001.

Over the next ten years, the biological safety conferences grew to include representatives from all federal agencies that sponsored or conducted research with pathogenic microorganisms.

Over the years, she had heard rumors that Clark Gable was her biological father as she looked strikingly like him.

Over 750 experiments are completed every year, in fields including magnetism, superconductivity, materials engineering, and the study of liquids, colloids and biological substances.

Over the 18th and 19th centuries, biological sciences such as botany and zoology became increasingly professional scientific disciplines.

Over a two-week period, the crew conducted scientific experiments involving crystal growth, fluid physics, fluid dynamics, biological science, and combustion science.

Over the next ten years, the term was used by other researchers to describe broader chemical interactions between organisms, and by 1996 the International Homeopathy Society defined allelopathy as " Any process involving secondary metabolites produced by plants, algae, bacteria and fungi that influences the growth and development of agriculture and biological systems.

Over time, they can adapt to attack from inherent biological powers, but only to the specific frequencies / levels / etc already used against them.

Over the past two decades, she has developed antibody-based “ biological missiles ” to destroy cancer cells and cells infected with HIV.

Over time, the legions effectively handled challenges ranging from cavalry, to guerrillas, to siege warfare.

Over the coming two decades of almost constant warfare it is estimated that somewhere in the vicinity of five million died — probably about half of them civilians — and France alone counted nearly a million ( by some sources in excess of a million ) deaths.

Over time, Rauch won listeners, as the Mohicans had suffered much from disease and warfare, which had disrupted their society.

Over the century leading up to Columbus ' arrival in the Caribbean archipelago in 1492, the Caribs mostly displaced the Maipurean-speaking Taínos, who settled the island chains earlier in history, by warfare, extermination and assimilation.

Over the course of several tours of North America and Europe in this period, they became known for theatrical, horror-themed live performances and videos, drawing attention to issues such as chemical warfare as well as propagating anti-animal testing sentiment.

Over time the group becomes agitated with simply scraping by and several voice a desire to return to their old ways of clandestine warfare.

Over time the Chauchat's poor reputation in the trenches because of the mud, dirt, and humidity to which the weapon was unadapted have led some modern experts to describe it as the " worst machine gun " ever fielded in the history of warfare.

Over the century leading up to Columbus ' arrival in the Caribbean archipelago in 1492, the Caribs mostly displaced the Maipurean-speaking Taínos, who settled the island chains earlier in history, by warfare, extermination and assimilation.

Over the next few hundred years, the Chinese subtly encouraged warfare among the Mongol tribes, as a way of keeping them distracted from invading China.

Over the next years, much of Hereford's focus was on reconquering his lost lands in the Marches, primarily through private warfare against Llywelyn.

Over the next hundred years, the Susquehannock population was devastated by the ravages of new Eurasian infectious diseases, which were endemic among the Europeans, and warfare.

Over the Warring States Period, many of the seven states underwent bureaucratic and military reforms in order to mobilise resources on a greater scale ; this led to an intensification of warfare over the period, but also led to economic and cultural developments on a large scale.

Since the revolutionaries were more mobile than the heavily armed caliphate army, it was easy for them to wage guerrilla warfare and overcome most of their former oppressors. No sooner had they taken up arms against their exploiters that they became adept at night-raids on enemy territory, liberating weapons, horses, food and fellow slaves burning the rest to cinders to delay retaliation. Over the course of time, the Zanj eventrained expert engineers who blocked the enemy's advance by constructing impenetrable fortresses, cocooned inside layers of water canals or conversely built rapid bridges and communication lines for uninvited courtesy calls to the citadels of the gods .< Ref name =" Shoureshi "/>< sup >

Over the next ten days, the battalion engaged in some of the most intense urban warfare experienced by a single unit of the US Army since World War II.