How Did Adams Influence the United States' Future Land Holdings

How did Adams influence the United States' future land holdings?

A) He proposed a law in Congress to tax English imports at a high rate, generating enough income to buy the Southwest from Spain.
B) He banned political parties, cooling passionate debates so that the nation could focus on expansion.
C) He repaired relations with France and created a sense of trust so that the U.S. could eventually purchase the Louisiana Territory.
D) He gave the U.S. Army permission to clear Native Americans from the lands, using violence if necessary.
E) He appeased Britain with tax agreements and U.S. army assistance in the war against France, so Britain gave the U.S. the land that is now Montana.