Answer:
True!!!! I hope this helps you out!!!
<span>There have been 5 major expansions in the US, the first was in the Louisiana </span>territory.
Senior Advisor Portfolio Party
Shailagh Murray (born 1965) Communications Democratic
Jared Kushner (born 1981) Strategic Planning Republican
Stephen Miller (born 1985) Policy Republican
Kevin Hassett (born 1962) Economic Issues Republican
Cedric Richmond (born 1973) Public Engagement Democratic
American Civil War: a State-by-State Encyclopedia <span>by </span><span>Spencer C. Tucker; </span>
The answer is D because all of the other choices took place in the U.S while the Wilmot Proviso took place in Mexico.