C. Human Reason
I took the test and made an A with this answer.
Halloween is October 31th!!! ❤️
Some of the peoples it conquered didn't want to be ruled by the Incas and were rebellious, mainly, and it was so big that it couldn't keep the conquered in line very well.
It was a hurricane (Hurricane Katrina).
Slash and burn agriculture would have been practiced most prominently in the river valleys of Egypt, since this is were lots of plant life existed, which needed to be eliminated to make room for fields.