Please help I do not understand *question is in the photo, dropboxes are numbered*

1
a- that the land that the United States purchase was unfit for farming
b- the US Constitution did not directly give the government the power to buy foreign territories
c- it broke earlier green has the United States had made with American Indians

2
a- free access to the Mississippi River
b- lasting peace between the United States and Great Britain
c- that American Indians stayed away from US settlements

~♡{45 points}♡~​