What geographic feature made early Americans consider isolationist policies?
A.
having deserts on the Mexican border
B.
having fertile agricultural land on the Atlantic coast
C.
having the Rocky and Appalachian Mountains as shields
D.
having a large ocean on each side of the country

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.