Later, Altbach traveled to England to meet with British peace groups as a delegate from the Student Peace Union (SPU) and on his return he persuaded the SPU to adopt the symbol.
Soviet Union | European Union | Union Army | rugby union | Union | Justice of the Peace | Nobel Peace Prize | International Telecommunication Union | trade union | Union (American Civil War) | Peace Corps | Union Pacific Railroad | England national rugby union team | American Civil Liberties Union | War and Peace | Wales national rugby union team | New Zealand national rugby union team | Ireland national rugby union team | Western Union | Scotland national rugby union team | International Astronomical Union | Georgia national rugby union team | Trade union | International Union for Conservation of Nature | Border Union Railway | France national rugby union team | United States national rugby union team | South Africa national rugby union team | Communist Party of the Soviet Union | Amateur Athletic Union |
Feldman came into political activity through the Student Peace Union at the University of Pennsylvania, which was led by supporters of the Trotskyist Young Socialist Alliance such as Feldman and Robin Maisel.