Answer: International regime
Explanation: The concept was first introduced to international relations by John Ruggie in 1975 but the most widely known definition was given by krasner.
He defined it as a ‘set of implicit or explicit principles, norms, rules, and decision-making procedures around which actors' expectations converge’ in 1983. It was further explained that although regimes include formal treaties and national law, they also rely on informal norms and networks to develop and enforce standard behavior in an area of global policy.
D. The Civil War was a fight between Northern and Southern states due to each side clashing together on certain issues and one issue being slavery in the American society
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