What groups were targeted by Hitler for the "Final Solution"?

Which areas where seperated by the iron curtain

Brainliesttt !me : ) describe the responses to terrorism in the united states.

In the 1800s, violent, anti-chinese riots took place: a.) in chinatowns in several cities. b.)in chinatowns in rural areas. c.)at railroad camps in the west. d.)at factories and mills in the east.