The correct answer is the last option.
The prefix "bi-" means two, so Congress is bicameral because it has both the Senate and the House of Representatives. In the Senate, each state has the same number of representatives, and in the House, the number of representatives is in proportion to the population of the state.
They wanted to push in North America because they knew that by gaining control over this continent or at least parts of it would mean a lot to the spanish crown and would also be rewared.
<span>D. Slavs and Vikings</span>
After the slavery was officially abolished in all of the US, the African Americans were quick to move out of the South and migrate massively toward the North. There were several factors as to why this happened. One big factor was that even though the slavery was abolished, the segregation and discrimination continued, so the opportunities in life were very limited. The South was not industrialized, while the North was heavily industrialized, thus the African Americans saw an opportunity to work in the factories instead in the fields. The atmosphere in the North was much better for them, as the majority of the people welcomed them and had no problems with them because of their skin color.
People could start using robots to do work around their house and provide companionship starting in 2030. We could live in a Matrix-like virtual world by 2045. People could also become Cyborgs by 2045. People could control their home settings using artificial intelligence by 2040 as well.