Why did popular sovereignty make the question of who would settle in Kansas and Nebraska a key concern? Check all of the boxes that apply.

Why did the iraqi governing council have difficulties developing an interim constitution? a. iraqi factions insisted that american forces must leave iraq first. b. the u.n. refused to assist them because the u.s. invaded without its consent. c. they were not given adequate funds to do so. d. there are substantial ethnic and religious factions in iraq.