Discover the answers to your questions at Westonci.ca, where experts share their knowledge and insights with you. Discover solutions to your questions from experienced professionals across multiple fields on our comprehensive Q&A platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Which of the following was the first union in the united states?
A. Knights of Labor
B. American Federation of Labor
C. American Railway Union