How did the first people in the americas get from asia to north americas?

Which two sets of political ideas speed as a result of the worldwide depression of the 1930s

Which of the following scenarios best shows the relationship between personal and civic responsibility? tara stays home on friday night to babysit her sister instead of going to a movie with her friends. theo asks neighbors to sign a petition asking the city council to lower the speed limit in their neighborhood to make it safer for children. natalie watches a presidential debate with her parents in order to complete a homework assignment for school. nick’s scout troop adopts a section of highway in their community to keep free from litter.

How did roosevelt corollary and dollar diplomacy affect u.s. relations with other countries?