A.)federal government increased participation in businesses.
explanation
WW1 was an economic booster for the US and as the war continued in europe the us were thriving in manufactering and profits. The other choives dpmt have any logical reasoning so choice A is best.
Climate change that caused a severe drought.It is also theorized that the Hittite's cities were destroyed by earthquakes.
Pt era in history this app d9d: kskskskssks ka l not helpmdkke ke lsma msma
The Russian ruler that enlarged the Russian empire is Ivan IV the terrible.
I hope this helps