By when had americans transformed the united states into the world’s leading industrial nation

north east because it has more forest

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.

a.) it weakened the power of the catholic church in europe.