I think he was apart of only 1 organization which was the “Southern Christian Leadership Conference”
The judicial power of the United States
After the April 9, 1942, U.S. surrender of the Bataan Peninsula on the main Philippine island of Luzon to the Japanese during World War II (1939-45), the approximately 75,000 Filipino and American troops on Bataan were forced to make an arduous 65-mile march to prison camps.
I’m not sure what you’re asking but here’s what i found and i hope it helps you.
The Indian removal act was signed into law on May 28 in 1830. the meant the president could negotiate with southern tribes for removal to federal territory west in exchange for white settlement
i found this online so it might not be correct but i hope it helps you.