Historians look for causes and effects that help to explain how and why events happened.
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.
Explanation:
translate dictionary with pronunciation are called
i know the second blank is more experienced military leaders, the first blank im not too sure on, but it is create a blockade at southern ports.
Frederick Douglass and Harriet Tubman both were leaders of the movement and escaped slavery.
