Answer:
1940s and 50s when when the Veitnam was started
The answer is D. India developed and maintained a securely centralized and powerful empire that lasted for centuries.
The leading argument against slavery during this time in the US was simply that it was immoral, and went against God's will. Another was that it violated the Constitution, and yet another was that it was unsustainable in the South.
Khanacademy.org overview hope this helps :)
Answer:
colonies in north america and on the constitutuon of the united states
Explanation: