Is the division of responsibility for national security between the legislative and the executive branch a good idea

It prevents despotism by the executive branch and watered down, compromised, indecisive governance by committee by the legislative branch so yes it's a good thing.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts