What was the articles of confederation? why was it weak?

After the civil war which president was called a "carpetbagger"?

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.

During the world war 2 the united states government detained 11,000 , german-americans and isolated them in camps for the duration of the war. which term refers to this process