How was the SALT 1 treaty an example of realpolitik?

The SALT I treaty, signed in 1972 between the United States and the Soviet Union, exemplified realpolitik by prioritizing pragmatic considerations over ideological differences. Both superpowers recognized the need to limit nuclear arms to reduce the risk of catastrophic conflict, demonstrating a willingness to engage in strategic diplomacy for mutual benefit. This approach highlighted a focus on power dynamics and national interests rather than strict adherence to ideological principles, reflecting a realistic assessment of the geopolitical landscape during the Cold War.