Bicameral means two chambers. Usually in leadership such as government. For example congress is bicameral. As for the second question the civil rights act of 1965 prohibited discrimination.
Homestead Act accelerated the settlement of the western territory by granting adult heads of families 160 acres of surveyed public land for a minimal filing fee and 5 years of continuous residence on that land.
Steam boats, rail roads and telegram made communication and work easy and faster.
Answer: Rubber for factories in the united states was dependent upon imports from Asia and Africa
