Answer:
The expansion of railways meant manufacturers could ship goods cheaply.
The building of the railroads changed the environment of the West.
Explanation:
Answer:https://www.austincc.edu/lpatrick/his1693/causes.html
Explanation:
I believe this will help
Answer:
house of representatives and the senate
Explanation:
Established by Article I of the Constitution, the Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress.