When Martha gets Keenan's Military "Jacket" File, the Symbol of the U.S Marine Corp is stamped on it. Yet Keenan was an U.S Army Green Beret.
Clark claims he's going to lease the 'back 40 (as in back 40 acres of the farm) to help maintain the farm without Martha, but Jonathan already sold the back 40 in order to begin paying Lionel back for his campaign contribution.