What issue became a major problem for the united states government after the mexican war?

Is the idea of containment relevant to american foreign and policy today why or why not

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

What form of government is powers of states?