The doctrine of separation of powers forms the basis of the American constitutional structure. Which of the following provisions of the U.S. Constitution exemplify this concept?

Correct option is C

The doctrine of separation of powers, originally proposed by Montesquieu, is strictly applied in the U.S. system.
Unlike India, the President in the U.S. is not part of the legislature and operates independently from it.
Article I also grants Congress powers like taxation, war declarations, and regulation of commerce.
Article III provides for life tenure for federal judges, ensuring judicial independence.