A researcher is making an argument that the increase in nuclear weapons led to distrust between American and Soviet citizens in the 1980s. Which of the
following is a primary source that will help her argument?
A. A newspaper editorial about American-Sovieť pen-pal programs
B. An academic article about economic policy in the Soviet Union
O C. A speech by President Reagan about the Cold War
D. A table of military statistics on new nuclear weapons by year