As government spending increased, America came out of the Great Depression and moved toward higher productivity.
Answer:
margin
Explanation:
Buying on margin is an expression for credit
Things that led to McCarthy's downfall was: charging the army of being communistic, facing previous false charges being exposed, and falling out of favor with the Republicans.
Much of the growth can be attributed to the building of the transcontinental railroads. In 1862, Congress passed the Pacific Railway Act, which authorized the construction of a transcontinental railroad.