 Complete the following phrase:  Membership of the CPUSA peaked in the late 1940s, with over 75,000 members in 1947. But their influence spanned beyond just their membership as some candidates in national elections garnered over 100,000 votes. However, the CPUSA began to decline in both membership in the late 1940s and into the 1950s, presumably due to the Red Scare where the US government publicly tried and convicted Communists and CPUSA members on the grounds of the Smith Act. CPUSA faced challenges when the 