Yall please help me!!​

Which statement from the declaration of independece best reflects the enlightment ideas of popular sovereignty

Which physical feature minimizes population density in northern africa?

How did the united states respond when north vietnam attacked a us warship and sent troops to south vietnam in the early 1960s? a.the united states declined to assist south vietnam against the north. b.us leaders authorized south vietnam to invade north vietnam. c.the president did not sign the gulf of tonkin resolution. d.congress authorized the president to escalate the conflict.