During the seven hundred's, most of Spain were conquered by the Muslims. It was in seven hundred eleven that the Muslims conquered the Iberian Peninsula. They were successful in their invasion and this event became one of the great civilizations. This ended during 1492, when Geneva was conquered.
The answer would be letter B.
The assassination was premeditated because the conspirators planned to kill Ceaser before he left for Parthia. He would be gone to Parthia for several months so they contributed time, politics, and other aspects. Despite their short amount of time, they managed to pull it off.
If this is multiple answers, then it would be all of them, but if it is one choice, it would be A, a flat area covered primarily in sand.