I am sorry, i was looking up research and did not find a thing.
Answer:
They didn’t want to take any chances
Explanation:
Obviously
Since moist water come from warm air, I would say the air would be going down.
B because a flat rate of income tax would hurt the lower class so that doesn’t work. D is incorrect because the progressive movement was against large firms and their corruption. National bank was irrelevant in the 1920s