C, details that help readers visualize the settings better. A wouldn't work because it doesn't help the setting, B doesn't help the setting either and D would only add more confusion so UT would have to be C by process of elimination.
Answer:
Appraisal
Explanation:
A tsunami is a series of waves caused by earthquakes or undersea volcanic eruptions.
The crusades created standardized methods of taxation and increased European trade.
prevents unauthorized government access to private electronic communications
