An important duty of the president is "negotiating treaties," since this duty falls to the executive branch, and the president is in charge of this branch (although this specific task is often delegated to the State Department).
It isn’t up to the states, so false
People usually belong to political parties. However, even within the parties themselves, there are smaller groups, called "factions". These "factions" are part of the larger group (parties) and they are committed to a common political purpose.
These people who are part of a political faction within a political party, band together to achieve a common goal or interest. They want to advance a certain agenda, such as certain policies that are important to the group within the political party.
It would be cattle ranching