Answer:
4000-600 = 3,400
3400-33 =3367
Explanation:
(Originally I got 3366 but I used the calculator after and I was one number off.)
Radio was a crucial mode of communication in the early 20th century
The primary difference in debate over expansion during these time periods was that the Civil War had come and gone--meaning in 1890 the debate was over whether new states would be slave or free, while in the 1890s it was about economic issues.
