Select all the correct answers.
What were two effects of the Louisiana Purchase on the United States?
1:It led to a westward migration of people looking for new lands to farm.
2:It encouraged the growth of industries in areas east of the Rocky Mountains.
3:It led to the growth of US trade along the Mississippi waterway.
4:It ensured a lasting peace between the United States and Great Britain.
5:It led to an eastward migration of American Indians from the newly added lands.