A) Businesses struggled to replace skilled workers killed or severely injured in the fighting.
Explanation:
From 1915 the US got tons of loans to the UK to support them in their war effort. It is not a range to say that WWI was the significant factor in providing to the Roaring 20s when the US economy expanded. The long-term outcome was that US engagement in the warheads straight to the Great Depression and WWII.
The main way in which World War I hurt business in Europe even after the war was that Europe was economically devastated and had focused all their production on war materials, which means there was a lot of goods and services after the war.
the league of Nations was an alliance with the mission to stop wars in deal with stuff diplomatically. the United States Senate wanted to go back to being isolationist.
