Throughout history language has done a great job of uniting people, since they are able to communicate and share stories that bring them closer together. It has also divided, however, since people who speak a certain language can sometimes feel a sense of national or ethnic pride that leads to violence against people who speak other languages.
The positive effects of getting California is that it's closer to Asia, and California side of the nation at the time could have open territory to conquer.
Answer:
Primary sources, because they can be more accurate about a certain incident or event.
Explanation:
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