Who engaged in the practice of human sacrifice? mayan mulatto criollos

The ones who engaged in the practice of human sacrifice were the Mayans.

The Mayans were the ones who practiced human sacrifice, as a sacred ritual of offering food and respect to their gods.

The sacrifice of living creatures such as animals or even the sacrifice of human life was a huge offering from the Maya people to their gods, because blood was considered a strong and powerful source of nourishment for the gods.  

the pogroms became known as kristallnacht, the "night of shattered glass," for the shattered glass from the store windows that littered the streets. the morning after the pogroms 30,000 german jewish men were arrested for the "crime" of being jewish and sent to concentration camps, where hundreds of them perished.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b