How did the voting districts in states with Eastern Seaboard regions affect the battle between Federalist and Anti-Federalists over ratifying the Constitution?

a. They required a two-thirds majority in the Senate and the House of Representatives.
b. They favored Anti-Federalists, who had the larger stake in exporting and shipping.
c. They favored Federalists, who were more likely to live near the coastal regions of the states.
d. They outlawed the Federal Papers and discouraged other publications about ratification.

c. They favored Federalists, who were more likely to live near the coastal regions of the states.