Why did the Framers establish the Legislative Branch in Article I of the Constitution?

When does a metropolitan area become a megalopolis?

What was the direct cause of the u.s. entry into world war ii? a. the bombing of pearl harbor b. the invasion of poland by germany c. the capture of belgium by germany d. the battle of britain

If there were no system of checks and balance,the process of government would eventually fall apart. do you agree with this opinion? why or why not?