1.
The period when the United States grew larger by taking over new land to the west, especially in the 1800s.
2.
People who traveled to new areas to settle and start new lives. They were often among the first to explore and live in these areas, and they played an important role in the expansion of the country.
3.
Someone who helped people from different language groups communicate with each other.
4.
A person who searched for valuable minerals, like gold or silver, in the western lands. They often traveled to new areas hoping to find riches.
5.
A journey or trip taken by a group of people with a specific goal in mind.
6.
The telegraph was a machine used to send messages over long distances using electrical signals. It helped people communicate quickly with others who lived far away, making it easier to share important news.