How were the cities of Baghdad and Córdoba similar? O O O O
Both were centers of learning.
Both were cities for Islamic pilgrimage.
O Both were centers of Jewish culture.
Both were cities important to the sea trade.

b is the answer of this question

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

when she faked her death and the readers knew but romeo didn't.