Which chinese sailor began a series of seven naval expeditions that went as far as the east coast of africa?
a. mongke
b. zheng he
c. berke
d. hulegu

How could a works-cited list a reader determine whether to believe the claims you make in an essay? a. by synthesizing your conclusions into a simple objective summary o b. by proving that your claims are supported with credible evidence ) c. by allowing you to make claims without quoting other writers o d. by providing a clear organizational structure to your essay