Answer:
Im Pretty sure The geography and resources available were different
Explanation:
I believe the answer is A) Logging, but I'm not 100% sure.
The political structer changed during the gilded age because a lot of the leaders became rich during this era, causing them to be more invested in business politically.
Nuclear fear led to a new market for fallout shelters. Home economics classes taught girls how to stock such a shelter with food and supplies in the event of a nuclear attack. The government created official films on shelters, praising their value and advising homeowners on how to use them.