Question

Read this passage:

Answer 1

Answer:

the united states is not vulnerable to a direct attack.

-apex

Answer 2

A. The United States is being protected by the British Navy.

Roosevelt is saying that the British Navy is holding strong, and mentions that no enemy would be foolish enough to try and attack while they are there. Also, he says that no one would just land in the US because they don't have any bases there from which to operate.