This is a complicated issue, but in general the US government did not do much to intervene in the German treatment of Jews during this time, mostly because there was a great deal of both isolationist and anti-Semitic sentiment in the US during this time.
The answer to your question is number 2 An exothermic process releases heat, causing the temperature of the immediate surroundings to rise
Because it was the flowing of African American Arts in the 1920s.
Answer: southern colonies were made up of mostly coastal plains and piedmont areas. The soil was good for farming and the climate was warm, including hot summers and mild winters. The growing season here was longer than any other region. The southern colonies' economy was based on agriculture