The “baby boom” was an increase in the birthrate that occurred after
World War II.
the 1960s.
the 1980s.
the new millennium.

World War II.

Explanation:

the qing dynasty placed strict limits on foreign merchants' ability to trade in china.

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.