What is associated with: 1977 film in which luke skywalker uses the force in the struggle between the royal houses of york lancaster?

What is associated with: 1977 bernard bianca the rescuers? What is associated with: 1977 carrie fisher what? What is associated with: 1977 certain folks cant get a wyoming landmark out of their heads go there to meet new friends? What is associated with: 1977 duane hall a brother? What is associated with: 1977 help me obi wan kenobi youre my only hope? What is associated with: 1977 i suggest a new strategy r2 let the wookie win? What is associated with: 1977 is this the first movie or the fourth? What is associated with: 1977 john travolta strikes a pose points his finger to the sky?