If the United States Is Pursuing an Expansionist Policy, Which

If the United States is pursuing an expansionist policy, which of the following would it be doing?

A) Embracing the extension of American borders
B) Restricting exports and implementing higher tariffs
C) Abstaining from an active role in international affairs or alliances
D) Allowing more immigrants into the country to expand our population
E) Providing financial assistance for conflicts in other nations