What were some of the significant changes in the US during the 1920s? Check all that apply. lower wages
the Great Migration
higher unemployment
increase in spending
boom in the manufacturing industry
lower university fees

b d e

Increase in spending

Boom in the manufacturing industry are the correct answers

Explanation:

During this time, the 1920's were often called the Roaring Twenties, everyone was very happy that World War 1 ended, the economy was also benefiting and points were sky high, everyone was rich and a lot of new music was created. This was a time ( to sum up) of happinesses for everyone. I hoped this helped you, Merry Christmas, and have a good day!

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

d) eastern business owners and former federalists