Answer:
Full of endless, backbreaking work
Explanation:
Sarah Gudger was a former slave for about fifty years before she gained her freedom after the end of the American civil war.
During her interview with Marjorie Jones in 1937, she described her ordeal and time as a slave at the Swannanoa Valley, she explained how slaves were treated at the hands of their slave masters in her word the experience was full of "Full of endless, backbreaking work."
To my knowledge, the correct answer among all of the given choices is C.) Steam. If I'm not mistaken, this was the time that more trains came into use.
I hope this is the answer you were looking for and that it helps!! :)
Marquette and Joliet sailed down part of the Mississippi.
