C) Over time, U.S. policy makers became aware that the U.S. needed to address issues such as racial segregation and discrimination as part of its larger Cold War strategy.
This is best supported by evidence as there were instances where the U.S. government recognized that racial tensions within the country could be exploited by the Soviet Union as propaganda against the U.S. Additionally, the civil rights movement gained momentum during the Cold War era, eventually leading to legislative changes such as the Civil Rights Act of 1964 and the Voting Rights Act of 1965.