True..................................
Answer:
hope it helps :):):)
Explanation:
The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors. After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains.
It first started with the Pearl Harbor Attack and was officially announced by Roosevelt in the Quarantine Speech.
