His father had died at the Battle of Minden in 1759 during the Seven Years War. I think.
No idea what primary research so i'm going to assume you mean primary source in which case it depends on the type of evidence, like if it's a personal account then that's a primary source but if it's someone telling of someone else's story it's not.
Many American's who didn't want the U.S. to enter the war must've felt as iff the country didn't care about their opinion.
