As secretary of state, john quincy adams
a. negotiated a treaty with great britain for oregon country.
b. made manifest destiny an official united states policy.
c. convinced great britain that it could not control florida.
d. negotiated a treaty with spain for control of florida.

D is the correct answer.

Adams negotiated the Adams-Onis treaty, ratified in 1821, which gave the US control over Florida.

gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.