In the 1980s, the Soviet Union decided that it could not improve its economy in addition to competing in an arms race with the United States. It therefore, decided to work hard for new __________.

Respuesta :

Technological advancements, such as the beginning of the space race and things of that sort.
It therefore, decided to work hard for new "a. treaties to limit guided-missile production" since this is the only way it could compete properly. 

Thanks the History guy!