Please help, i`m really bad at American history

1.
Which was the main weakness of the Articles of Confederation?
A. Congress could not provide for a national defense.
B. Powers given to the central or national government were limited.
C. States had no way to settle disputes.
D. States had to relinquish their sovereignty.

2.
Which entity was given power by the Articles of Confederation?
A. the president
B. a bicameral legislature
C. a unicameral legislature
D. no entity

3.
Why did the Founding Fathers think it necessary to create the Articles of Confederation?
A. to establish a monarchy to replace the British king
B. to establish thirteen different governments with no central government
C. to make peace with the British Empire
D. to establish a legal basis for a permanent government of the new United States