Why did the u. s senate refuse to allow the u. s to join the league of nations?

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 supreme court change as a result of ronald reagan's presidency? answers?

How did the united states ironically create a slaverybased market economy and democratic political system?