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 Japanese victory over Russian forces had shown the peoples of the Orient that Colonial Imperialists could be defeated and the Asian peoples could persevere in a war against the Occident.The Japanese gained renown that carried over into WW 2.
Answer:
b
Explanation:
the north was more industrialized than the south, relying more on factory work than farming but because it wasn't illegal, some people still had slaves
I can confirm the answer is A. federalism