I think that these are the answers for your questions.
3. B
4. B
Because males were returning from war, the females who previously held the males' positions in factories, etcetera, were either forced out of these jobs, or were permitted to keep them, a trend that destroyed the idea of the "stay-at-home mom".
The right answer is "gave more political power to citizens" I hope it helps
The correct answer is to protect domestic businesses.
When the US government puts a tax on an imported good (aka a tariff) they are trying to protect American businesses. The US government, when it passes tariffs, believe that the increased price of foreign goods with result in citizens buying goods from American made companies, as they will be similar in price or cheaper. This strategy has been used by the United States since the early 1800's and continues to be used as a means of protecting American businesses.
However, the succeess of these types of tariffs are mixed, as this usually results in a decrease in trade and an overall increase in price for consumer goods.
The last one would be most accurate but not for sure get others opinions before you submit