American expansion abroad was fueled by all of the following except "the closing of the frontier" since this was mainly a domestic issue.
It would probably be social security if thats one of the multiple choice answers. goodluck!
What are the answers and i will tell you!
If a bill<span> has passed in both the U.S. House of Representatives and the U.S. Senate and has been approved by the President, or if a presidential veto has been overridden, the </span>bill<span> becomes a </span>law<span> and is enforced by the government.</span>