Which technological advancement allowed for the movement of people, goods, and items over long distances in relatively short periods of time?

Many people traveled West looking for gold, silver, and other valuable resources. Which reason below best describes the above sentence?

Many people traveled West based on stories, newspaper articles, and word-of-mouth. The tales told about life in the West were wild and interesting. Based on the above sentence, which of the following best describes why some settlers moved West?

Following the 13th Amendment and the abolition of slavery, Jim Crow Laws rose to prominence in the South. Many left the South looking for better opportunities in the West. Based on the above statement, which of the following best describes why some settlers moved West?

Many in Eastern cities lived in poor conditions with few options to better themselves. Based on the above sentence, which of the following best describes why some settlers moved West?

"Slavery has kept me and my family oppressed for generations. I want to live in a place where I can be free and pursue a happy life." Which of the following groups was most likely to identify with the above statement?

"I want to vote and participate in civic society. If I move, I can have those rights in local elections in some places." Which of the following groups was most likely to identify with the above statement?

"Life was terrible in Ireland. I was starving. I want to own land, find gold, and raise a family." Which of the following groups best identifies with this statement?

"I have lived poorly for most of my life in America. I want to move to a new place with new opportunities." Which of the following groups best identifies with this statement?