The episode was written by Joel Fields and Joe Weisberg , and directed by Chris Long . The episode title refers to the Strategic Arms Reduction Treaty between the US and the USSR , for which negotiations began in earnest following the Washington Summit . Also , Elizabeth 's vision of her life had she remained in the USSR in the final scene followed the plot of '' Moscow Does Not Believe in Tears '' , which she had watched with Paige and Claudia in the episode " Dead Hand "
Washington Summit
Washington Summit (1987)
START (The Americans)