In a mixed-market economy, the government regulates business A. Only when necessary
B. On a regular basis
C. As often as possible

A. Only when necessary

Explanation:

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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.