What term describes laws passed after the civil war that were designed to keep african americans socially inferior to white americans?

Ineed your asap, it due select the items that were included in the terms of the 1848 treaty of guadalupe-hidalgo (which ended the mexican-american war). question 6 options: the united states gains the new states of missouri, nebraska, kansas, and iowa. the united states paid mexico $15 million dollars for land obtained as a result of the end of the war the united states demanded a permanent military presence in mexico. the united states gains territory in present-day california, new mexico, arizona, utah, nevada, and parts of colorado and wyoming.