Without any significant maritime enemies, the Roman navy was reduced mostly to patrolling for pirates and transportation duties.

H. E. Lessing has shown by circumstantial evidence that the climate anomaly of 1816, Year Without a Summer, due to the eruption of Tambora that impaired transportation in Europe by crop failure and starvation of horses, was the cause of Drais ' invention of the velocipede.

Without this investment in infrastructure, the main means of transportation is air, with regular flights to Moscow, Saint Petersburg, Arkangelsk and Usa.

Without the Waterway as a viable source of transportation, an average of 284, 000 additional truckloads per year would be required to handle the materials currently being shipped.

Without a great acceleration in the metropolitan area's economy, there will not be sufficient jobs for the growing numbers of youngsters, and St. Louis will slip into second-class status.

Without sufficient revenues from sugar colonies in the Caribbean, Louisiana had little value to him.

Without the outward pressure generated by the fusion of hydrogen to counteract the force of gravity, it contracts until either electron degeneracy becomes sufficient to oppose gravity or the core becomes hot enough ( around 100 megakelvins ) for helium fusion to begin.

Without sufficient dissolved oxygen in the water, animals and plants may die off in large numbers.

Without sufficient levels of these key electrolytes, muscle weakness or severe muscle contractions may occur.

Without sufficient overpressure, the blimp loses its ability to be steered and top speed is degraded.

Without sufficient oxygen to sustain life, people will act normally at first but will then abruptly feel dizzy and black out in a matter of seconds as the remaining oxygen in the blood stream is consumed.

Without sufficient funds to build another fleet, the Athenians could only wait as Lysander sailed westward across the Aegean towards their city.

Without a sufficient pellicle, fat will ooze out of the fish as it cooks, resulting in an unsightly presentation.

Without the time or resources to build sufficient aircraft and train experienced pilots, the surviving Japanese carriers were mere shadows of their former selves, a fact the Japanese recognized by using them as sacrificial decoys at Leyte Gulf.

Without sufficient support and resources to run for elected office again, White left elective politics, but remained active in Republican affairs.

Without sufficient dowry for a marriage proposal, Ammu Ipe becomes desperate to escape her ill-tempered father ( Pappachi ) and her bitter, long-suffering mother ( Mammachi ).

Without sufficient fuel for prolonged attempts at manual docking, the mission had to be abandoned.

Without sufficient demand for the products of labor, the availability of jobs will be low ; without enough jobs, working people will receive inadequate income, implying insufficient demand for products.

Without sufficient oxygen in the tank, the fuel vapors in the ullage cannot ignite, and an explosion does not occur.

Without sufficient funds in the form of private and government grants, CBN was forced to discontinue BikeShare in 2006.

Without sufficient infantry to protect them, the tanks were vulnerable to Japanese anti-tank weapons and artillery in close quarters and became useless when they entered the city center.

Without sufficient leaching, salts applied with the irrigation water may build up in the root zone, usually at the edge of the wetting pattern.

" Without any perception that one's actions could harm someone, there could be no duty towards that person, and therefore no negligence for which to impose liability ( duty is a matter of law to be decided by a judge ; therefore, a finding that there was no duty was sufficient to overturn the jury's verdict that the defendant was liable ).

: Without sufficient heat, a fire cannot begin, and it cannot continue.

: Without sufficient oxygen, a fire cannot begin, and it cannot continue.

Without sufficient troops to guard the Iraqi military infrastructure, large amounts of munitions were looted.

Without sufficient lubrication and cooling, the matrix of the drill bit will soften.

Without relay valves, it would take too long for sufficient air to travel from the brake pedal valve to the rear of the truck or trailer in order to apply the rear service brakes concurrently with the front service brakes, resulting in a condition known as brake lag.

Without supplies of fixed nitrogen entering the marine cycle the fixed nitrogen would be used up in about 2000 years.

Without British supplies, adequate provisions, or Native allies, Black Hawk realized that his band was in serious trouble.

Without the buffalo, the Niitsitapi could not hunt enough food and were forced to depend on the United States government for supplies.

Without a steady flow of supplies, an invading force will soon find itself retreating.

In a subsequent letter to Byrnes, Truman took a harder line in reference to Iran, saying in part, " Without these supplies furnished by the United States, Russia would have been ignominiously defeated.

Without food supplies, the besieged agreed to surrender the place, if help did not arrive before Michaelmas ( 29 September ).

Without pay they could not buy food or fodder for their horses or replenish their military supplies, and so the campaign faltered.

Without the virus, a Protector will weaken and die as his DNA is degraded ; the virus supplies replacement DNA.

Without Soviet supplies, it was estimated that Germany would need to find substitutes for approximately 165, 000 tons of manganese and almost 2 million tons of oil per year.

Without their cavalry to find supplies, Leven's Scottish infantry, were more occupied with plundering Worcestershire for food than with the siege works.

Without supplies from the Allies the Norwegian Army would soon have been unable to continue the fight.

Without supplies, their health and military effectiveness declined.

Without a supply line, the Germans had to withdraw into a " Cauldron " position of the front until supplies could be moved through the minefields.

Without the leadership, and most of the supplies, all of which had been aboard the Sea Venture, the rest of the group which arrived at Jamestown on the other ships and those already there were ill-prepared to survive, resulting in the " starving time " of 1609-1610 when over 80 per cent of the colonists perished.

Without adequate supplies of refined residual fuel oil for the Battle of the Philippine Sea, Japanese aircraft carriers refueled with unrefined Tarakan crude oil in June 1944.

Remaining supplies and equipment went on to be used by Burners Without Borders, with support from The Buckminster Fuller Institute.