Need help filling out this primary source guide on herbert hoover on the new deal and liberty

Choose all that apply during the years of the industrial revolution 1. the average life expectancy decreased 2. the worlds population decreased 3. birth rates decreased 4. the average like expectancy increase

Brainliestt asap!me : ) describe the difference : capitalism vs. communism

Which man believed that african americans should actively fight for the rights they deserve, even if they put their lives in danger?