What event made the compromise of 1877 possible?

What did the u.s. want to build on the land acquired through the gadsden purchase?

For each statement, select whether it is true of the central pacific railroad, the union pacific railroad, or both. it began in nebraska. it began in california. it went through the sierra nevada. it went through the rocky mountains.

How did the geography of the arabian peninsula affect its religious and cultural diversity?