The correct answer is they blazed trails through the Rocky Mountains and other difficult terrain.
Mountain men were people who lived in the wild of Rocky Mountains from 1810 to 1880. These men played an important role in <em>creating roads</em> so people from the East could travel to the West, helping the fur companies improve their trade. Many mountain men worked as a <em>“free trappers”</em>(by their own), but a lot of them were hired by fur companies.
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.
The correct answer to this open question is the following.
Unfortunately, you did not attach the options to answer this question. You also forgot to mention what time in US history you are referring to.
Without options, the are many possibilities to answer the question.
That is why we are going to answer based on our knowledge of the topic.
We are going to assume you are referring to the Pop culture of the 1950s and 1960s.
American’s were obsessed with two types of entertainment during this time which was television and rock and roll music..
During those decades, the American people, especially the young Americans were fascinated with rock and roll music brought to the massive scene by African American musicians such as Little Richard, and Chuck Berry, and Mexican-American Richie Valens, or Texan Buddy Holly, and many more.
Television was the other form of entertainment that caught the total attention of the American people. We could say that in those years, television was a key part of the American culture, and companies aimed their advertising efforts to TV commercials.
