Which of the following is an important principle of the U. S. Constitution? A. separation of powers B. dominant executive power C. no real executive leader D. a parliamentary system

The six principles of the United States Constitution are as follows:

- Limited government

- Popular sovereignty (rule by the people)

- Checks and balances (equalized power between entities to ensure said power is not concentrated in one place)

- Judicial review (review of constitutionality by the Supreme Court of legislative acts)

- Federalism (federal system of government)

- Separation of powers (makes the legislative, executive, and judicial branches separate branches)

The only principle of the US Constitution listed in the options is separation of powers - the answer is option A.