If you are talking about the development of political parties, then the issue that led it to them was “the struggle over ratification of the federal Constitution of 1787” (loc.gov).
Federalists, such as Alexander Hamilton, wanted a strong, central government and the Anti-Federalists, like Thomas Jefferson, “advocated states’ rights instead of centralized power”. (Library of Congress)
The answer A, is the correct answer. I hope this helps! :D
B. South Texas
due to the fact of the coastal area and the border which creates a economic Core Area
Well fossil fuels are such a largely used resource in the economy it is hard to transition from it since its so depended on for many things.