Thhe answer is your last option "led to decline in racist attitudes towards African American and imigrants"
The name of the communist party leader is Leonid Brezhnev.
These two meet in May of 1972 in what became known as the Moscow Summit. The goal of this meeting was to ease tensions between the US and Soviet Union. This policy, known as detente, lead to the Strategic Arms Limitation Treaty (SALT). This policy was helpful in significantly reducing the possibility of nuclear warfare during the 1970's.
Because the confederation Congress ideology and views are negative and does not provide a real solutions to address the nation's economic problems due to their misbelief