Well, all the civilizations did sacrifices, but ( you may need to check just be sure) i think the Incans did the least of it. The Mayans did it a bit more regularly then the Incans and the Aztecs did the most. hope this helps!
In a way kinda yes. it all depends on how you look at it.
<span>Loyalty to old immigrants and discrimination against new immigrants.</span>
The creation of the Federalist Party, that favored business, a strong government and a lax interpretation of the Constitution, and the Democratic-Republican Party, that wanted a society based on small farms and a weaker core government; changed the nature of politics in the US as they proposed a dichotomy when voting, since the Constitution had been silent about political parties.