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.  

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president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.