Why did the writers of the american constitution divide authority among the legislative, executive, and judicial branches?

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.

Experimented with communism before taking part in a number of civil rights and antiwar protest

What ideas, institution, and causes became the focal points of chinese and islamic resistance respectively to the west in the latter half of 19th century and the first decades of the 20th