Practices like segregation that separates groups of people and relegate one group to inferior conditions like run-down schools while the other group gets top-of-line schools with the latest equipment is an example of:

Racial discrimination.

Explanation:

a drastic rise in oil prices ended decades of postwar.

the committees of correspondence were the american colonies’ means for maintaining communication lines in the years before the revolutionary war. in 1764, boston formed the earliest committee of correspondence to encourage opposition to britain’s stiffening of customs enforcement and prohibition of american paper money. the following year, new york formed a similar committee to keep the other colonies notified of its actions in resisting the stamp act. in 1773, the virginia house of burgesses proposed that each colonial legislature appoint a committee for intercolonial correspondence. the exchanges that followed built solidarity during the turbulent times and bring about the formation of the first continental congress in 1774.