Over time, tensions arose between the owners of the railroads and Western farmers and ranchers over the issue of 1. Train schedules.
2. Transporting goods back West.
3. Building new railroads.
4. High shipping costs.

the atm that sounds like it should be the answer

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.