Answer: There wasn't any.
Explanation:
The Emancipation Proclamation only freed the slaves that were in rebelling states. It didn't free the slaves in the North or effect the border states at all.
<u>Answer:</u>
Before the gold rush, the west was wild, and there were fewer individuals around. The large urban communities in California were shires with a couple of hundred natives. While the large harbors got perhaps 2 - 3 ships, every week before the surge, there were dozens of boats a day once gold was found.
The railways would turn into the best drivers of westbound development since they brought individuals west and permitted the things they created to be sent east.
The first,second,(I'm pretty sure third),and fourth.
d. It informed the public about the need for American Indians' civil rights