How did charlemagne change western europe? a. he created a social system by developing the feudal system. b. he increased the territory by invading the holy roman empire. c. he reunited the region by accepting the crown. d. he spread christianity by initiating the crusades.

C

Explanation:

A was William the Conqueror

B the Holy Empire was Charlemagne´s own Empire

C is the most reasonable since Charlemagne was crowned king of the Franks around 716 AD

D was the Pope

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.

d) in the state of iowa