Xia dynasty is the correct answer!
It would be the "chain of command" that determines the number of levels and managers in an organization, since this also determines the hierarchy of the people in command as well. <span />
B. Allied forces began to take the offensive for the first time in the Pacific.
The offensive on Guadalcanal gave the Allies an important foothold with a very strategic airfield from which to launch missions from in the Pacific.
