Because you can use every part of the animal
Reagan's economic policy were to reduce the growth of government spending, reduce the federal income tax and capital gains tax, reduce government regulation, and tighten the money supply in order to reduce inflation.
The correct option is this: TROOPS WERE BASICALLY TRAPPED IN THEIR TRENCHES, PREVENTING PROGRESS TOWARD SEIZING ENEMY TERRITORY.
A trench refers to a long and deep ditch, big enough to accommodate humans. Trenches were used by soldiers during the World War 1. Soldiers faced a lot of difficulties living in these trenches, and it become a disadvantage to German and the other allied power, because the trenches hindered their progress towards seizing their enemies' territories.<span />
On one side, Germany, Austria-Hungary, and Italy were allied. The other group included Britain, France, and Russia.