Which president's policies showed the greatest support for the idea of manifest destiny?

james polk
martin van buren
andrew jackson
john quincy adams

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

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

Why must governments be able to compromise?