How did American Presidents’ foreign policy reflect American imperialism?

The byzantine empire weakened after asia minor

What was the national government’s biggest concern if facing a war, under the articles of confederation? the national government had no national military. the country had grown too large to defend with a small army. the states would not back the federal government. there was no way the states would pay for fighting a war.

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?