By working together voluntarily, the railroad companies were able to standardize their timetables in 1883. The correct option among all the options that are given in the question is the second option. The creation of time tables made the railway system more efficient and people could know the exact time at which their goods or the people travelling will reach their destination.
Answer:
giving the "most power" to the national government, letting the president direct the executive branch, and having a "firm system of checks and balances"?
You need more information to support this; there are many things intertwined with the pure food and drug act
They wanted to push in North America because they knew that by gaining control over this continent or at least parts of it would mean a lot to the spanish crown and would also be rewared.