The main purpose of the Interstate Commerce Act of 1887 was to regulate the new railroad industry and transportation business in the United States, since many of the railroad companies were operating monopolies.
Its A , they saw Germany as the greatest threat. your welcome :)
Slave owners turned to cotton production as a way to prosper due to its high demand and so did the demand on slavery.
The American public viewed General MacArthur after President Truman fired him - A. they still saw him as a hero.
It was used as an engine in locomotive trains, & also in steam boats. it also helped create electricity which allowed things such as morse code & synchronization of the world’s clocks.