A local party organization is an organization responsible for a political party's activities below the state level but is not registered with the Federal Election Commission as a district or local party committee.
National committees have the greatest role in the years of a presidential election, they are responsible for planning the nominating convention and also spend heavily in support of their party's nominee.
1. Wounded Knee Massacre
2. Oklahoma Land Rush
3. Dawes Allotment
4. Sitting Bull Surrenders
5. Battle of Little Big Horn
6. Discovery of Gold in the Black Hills
7. "Big Bonanza" discovered on Comstock Lode
8. Hunters Begin to Decimate Bison Herds
I believe 3 is the answer, because I think the U.S bought a part of Mexico.
D. It tripled, mostly due to people moving in from other places
Explanation: in 1850 the population of Texas was 212,592. In 1860 the population shot up to 604,215
