Why did the U.S. Steel Recognition Strike of 1901 occur and how was it resolved?

Answer 1

The U.S. Steel Recognition Strike of 1901 was an attempt by the Amalgamated Association of Iron, Steel and Tin Workers (the AA) to reverse its declining fortunes and organize large numbers of new members. The strike failed.

For the whole article at Wikipedia:
http://en.wikipedia.org/wiki/U.S._Steel_Recognition_Strike_of_1901

Good article on the early history of US Steel:
http://www.press.uillinois.edu/epub/books/rose/ch1.html