in the 1880s, economic and military competition from other nations and a growing feeling of cultural superiority convinced many americans that

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

profound political, administrative, and social changes in the british isles.

the anwser is missions

impeachment is when a president is committing treason or doing shading acts while in presidendcy therfor he can be impeached   by congress