Answer 2 through 4 please.

2. Union membership and activities fell sharply in the face of economic prosperity, a lack of leadership within the movement,

3. The main piece of progress that was made toward world peace in the 1920s was the League of Nations, which was founded in 1920 as a response to the evils of World War I. It ultimately failed to prevent another world war, however.

4. Mining companies, railroads and farms weren't doing well.

Explanation:

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.

what following?

explanation: