Answer:
D, C, and A.
Explanation:
During the late 1800s new ways of American farming improved thanks to the development in farm technology and machinery. The railroad system made possible the transportation and commercialization of goods from the country to the cities. There was a replacement of the horse power, which was used to plough the land by the steam tractor, in which it allowed farmers to introduce a great variety of crops and wheats.
When someone is described as a "martyr", all this means is that this person died for a cause they they believed in, and that their death inspired others to follow in the cause in question, often in the face of opposition.
there were about 25 million buffalo. By the 1880s, there were only about 1,100 left sadly after that they were forced bred to rise up the population.
I dont understand the question
It’s B. Reason-What other sources from that time are important from a historian POV to be able to know what other people said when whatever was going on. Hope this helps, Please Mark as Brainliest
