(A) soldiers went to war
(B) the war created more opportunities for college education
(C) it increased the U.S.’s opportunities to acquire natural resources.
(D) ** It created jobs to produce weapons and exports to sell to US allies.
EXPLANATIONS BELOW
Concept note-1: -The economy was mired in recession in 1914 and war quickly opened up new markets for American manufacturers. In the end, World War I set off a 44-month period of growth for the United States and solidified its power in the world economy.
Concept note-2: -The experience of World War I had a major impact on US domestic politics, culture, and society. Women achieved the right to vote, while other groups of American citizens were subject to systematic repression.
Concept note-3: -Real aggregate Gross Domestic Product (GDP) declined by 9.5 percent over the period 1914 to 1920, while the mobilization of personnel resulted in a 6 percent decline in civilian employment. Meanwhile, although population growth continued during the war years, it was only half that of the prewar rate.
Concept note-4: -The United States suffered a moderate economic recession from 1918 to 1919, but a mild rebound in the second half of 1919. The United States endured a more serious recession in 1920 and 1921, when the global economy collapsed.