Answer: There should be a reduction of trade barriers between nations
Explanation: President Wilson wanted to encourage international trade, and wanted trade to increase
Under the New Federalism policy, Nixon proposed giving more powers to the state government.
Nixon felt that the federal government was too large in size/scope thanks to programs like the New Deal (created by Franklin D Roosevelt) and the Great Society programs ( created by President Lyndon B Johnson). To combat this, he gave states the ability to choose how they would use the money given to them by the federal government.
Not sure what wat you refer to...but after WWI the US saw themselves in the Great Depression due to self economic dispute and the the deal to fund Germany which would pay back France and Britain. After WWII they almost immediately entered the Cold War with the Soviet Union.
The negative effects of war are, of course, death and destruction. Millions can die in big wars like WWII. Cities can be devastated, hurting a country’s economy. These things cause terrible human misery.
There are, however, also possible positive effects of war. War can correct terrible injustices.