Black crew members were not organized by the International Seamen 's Union .
Huiswoud took International Seamen 's Union upon himself to lead a walkout that led the company to negotiate for better pay and improved working conditions for its minority workers .
Black crew members were not organized by the International Seamen 's Union , so Huiswoud took it upon himself to lead a walkout that led the company to negotiate for better pay and improved working conditions for its minority workers .