Who chooses the successor to the chief justice of the supreme court?

Somebody save the ! what was greek math and science also medicine

Select the five weaknesses of the articles of confederation. congress could not declare war or establish an army. congress could not levy taxes. congress could not control trade. not all the states were represented in congress. no national court system. no executive to enforce the laws. congress could not negotiate with foreign governments. the national government could not borrow money. nine of the states had to agree to pass a law.

Why caused john quincy adams to write the monroe doctrine?