C the hinds is the correct answer
On April 9, 1865, General Robert E. Lee surrendered his Confederate troops to the Union's Ulysses S. ... Grant at Appomattox Court House, Virginia, marking the beginning of the end of the grinding four-year-long American Civil War.
They could physically hurt you for not cooperating
Cecilia is an observational researcher, or more commonly known as a field researcher. Observational researchers observe their subjects in their natural state and do not need to any form of experimentation. They gather information from their observations but do not intervene on any of the actions of their subjects.