Final answer:
"Big Bill" Haywood was an organizer for the IWW, which promoted radical labor ideas focusing on class solidarity and challenging the capitalist system through direct action.
Step-by-step explanation:
"Big Bill" Haywood, an initial organizer of the Industrial Workers of the World (IWW), promoted radical labor ideas. The IWW, also known as the Wobblies, aimed for broad inclusion, representing all workers irrespective of their race, ethnicity, gender, or job.
Advocating for direct action tactics such as general strikes, the IWW intended to unite the working class against the capitalist system, promoting revolutionary social change and collective solidarity among laborers.