Long, long ago all of the continents were connected into a supercontinent called Pangea. Now, there was a land bridge, presumably, that connected what is now Alaska to Asia (Russia).
I have no idea, sorryyyyy i’m tryna get ads lol
Answer:
True
Explanation:
President Martin van Buren refrained from annexing Texas after the Mexicans threatened war
I would have to say A) Lewis and Clarke expedition because Lewis and Clarke did explore the Louisiana Territory, The Treaty of Greenville happened before the purchase, and the other 2 had different causes.