For number four, you are correct. It was disease carrying mosquitos. That was why the colonists didn't have too many run-ins with the indians since the native american avoided the area for that very reason.
Number five is self-government which is where it is run by the people. So your answer would be Colonial Assembly.
Tiger and Lamb because the beginning and end have to be opposites, not similar
F, a conflict can be between less than three people.