What did julius caesar do that played a part in ending the roman republic (a) he did away with rome's written laws (b) he appointed allies and friends as provincial governors (c) he declared himself emperor and first citizen (d) he crossed the rubicon and defeated his enemies

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.