The Louisiana purchase
A) nearly tripled the size of the United States.

B) improved relations between the United States and Britain.

C) set the border between the US and Canada at the 49th parallel.

D) nearly doubled in size of the United States.

D nearly doubled

Explanation: D

D

Explanation:

it was so big that it doubled the us (can i get brainliest)

there are two main types of historical sources: primary sources and secondary sources. a primary source is something that originates from the past. it can be a chronicle, a piece of pottery, or even a piece of glacial ice that gives us climate data about the levels of atmospheric carbon one thousand years ago.

1.d 2.a c.!