After WWI, they actually didn't join the League of Nations, which is a reason it fell apart. The answer is D) Isolationist in its diplomatic and political relations.
Answer:
Three key amendments to the Constitution adopted shortly after the war — abolishing slavery, guaranteeing equal protection and giving African Americans the right to vote — further cemented federal power.
Explanation:
Sheikh mohammed bin rashid al maktoum
<span>Since the war is over, most of the soldiers turned to labor market, a lot of Americans thought worried that unemployment and recession might sweep the country. Both have the capability of affecting the economy negatively and cannot be solved instantly. They are interlinked as one is the reason for the other to happen.</span>