Which statement correctly describes an accomplishment of kublai khan?
a. he completed construction of the great wall of china to repel mongol invaders.
b. he improved the civil service system in china and ensured that jobs went to the most qualified people.
c. after overthrowing the song dynasty, he moved the imperial capital from beijing to mongolia.
d. under the yuan dynasty, he granted religious freedom to the chinese people.

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.