I really wish I could help you but try to use google and look up the answer key online
The last part is false. Lee surrendered at Appomattox Courthouse in Virginia, NOT in Richmond. These places are in two different locations. The other two are true. I hope I answered your question!
Writing or researching about a topic on which they feel strongly may be a difficult position for many historians. This is because as a historian, you're meant to provide unbiased information and opinion on any given topic. Granted, in some cases it may be completely acceptable to write with bias. I hope this answer is satisfactory.