Who were the FOUR major groups in European society that exerted most of the power during the 15th century?

Together these four Muslim empires—Ottoman, Safavid, Songhay, and Mughal— brought to the Islamic world a greater measure of political coherence, military power, economic prosperity, and cultural brilliance than it had known since the early centuries of Islam.

Explanation:

Its my own its from google , I hope it helped

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws