Which 1970 film introduced the line "Love means never having to say you're sorry"?

George C. Scott played which World War II general in a 1970 film? Who wrote the song "Bridge over Troubled Water" (1970)? Which group had a 1970 No. 1 hit with "I Want You Back"? In which 1970 film does the title character say "No bastard ever won a war by dying for his country"? Which 1970 Jackson 5 No. 1 hit warns "Stop! ... may be your own"? In which 1970 film does Rod Steiger play Napoleon in his last battle? "Solitary Man" was the first hit for which singer-songwriter? Which 1970 hit's title could describe a "structure spanning agitated H2O"?