The romans used D) aqueducts
Answer: B is correct.
Explanation: Thomas Aquinus was a disciple of Albertus Magnus who was great thinker because he was able to think outside the box (he is usually associated with the introduction of Aristotelian medieval thinking in medieval, philosophically Platonic, thinking which dominated European theology and philosophy at that time). So Thomas is usually considered one of the most important representatives of Aristotelian philosophy (Aristotelian philosophy was interested in nature, in material world and experiment). Thomas was able to see that thinking of his time is two one-sided (Platonic).
The one that is incorrect is this one: The massacre began because of a violent outburst by protesters towards passerby that supported the current government. Simply opposing the regime was a crime in their eyes, and thus the massacre happened.
The was the dust bowl and drought where crops died due to lack of water.