From that list, the one that is <em>not </em>a responsibility of a Congressperson is C. working with the Supreme Court to interpret the laws they create. A Congressperson's main responsibility is relaying the concerns and casting votes of and for their respective district. The separation of powers means that members of Legislature need not be in direct contact with members of the Judicial branch.
The group that benefited the most from gaining independence from Mexico are the Tejanos who were the former Americans and has now become the American citizens and had claimed for the American rights and privileges.
They had to have 9 of the 13 states approve a measure.
Hope this helps!
Answer:
C Treaty of Paris______________________