Bodies of water, specifically rivers.
Answer:
Height of power, systematic weaknesses.
Climatic worsening and plague.
Crisis of the Third Century.
Reunification and political division.
Growing social divisions.
Explanation:
thats all
The Correct answer is <u><em>Naturalization laws and regulations are largely "enumerated powers of Congress" Congress passed the first Naturalization laws soon after the country's founding in 1804.</em></u>