Answer:
When pioneers gathered their wagons together at the start of the trip, they elected a leader. This leader, or captain, would blow the horn or whistle to wake everybody up in the morning. He was also the one who decided when you would stop for lunch and at the end of the day.
Explanation:
I don’t know have a great day
The answer is d because I had the same
I believe that the answer is a.) It was the segregation of the transportation system in the United States.