What is the primary responsibility of the national security council?

Https://history.state.gov/milestones/1945-1952/national-security-act

I hope this may help you.

The primary responsibility of the national security council is discussed below.

Explanation:

The principal role of the National Security Council is to direct the President concerning the combination of foreign, military and national strategies that associate with national security. It also supports promote collaboration between government bureaus concerning the implementation of such strategies.