How did kingdoms in the rain forest differ from savanna kingdoms

The main difference between Africa rainforest and savannas are climate. while both are capable of producing and sustaining vegetation rain forest are hot and moist while the savannas are dry and cool. based on the hot humid temperatures and over abundant fauna, it is difficult for rainforest to grow into powerful states similar to the ones common in open savannas.

The  most important advantage  of  northeast china  that  mainly contributed toward its being  the  industrialand  technological center  of the  country  in the  1970s  and  1980s  is:   its  juxtaposition with china's  most important industrial  neighbors.