The militia repulsed attacks on the steel plant .
The militia prevented violence against strikebreakers crossing picket lines , causing a decisive defeat of the strike , and ended the power of the Amalgamated Association of Iron and Steel Workers at the Homestead plant .
The militia repulsed attacks on the steel plant , and prevented violence against strikebreakers crossing picket lines , causing a decisive defeat of the strike , and ended the power of the Amalgamated Association of Iron and Steel Workers at the Homestead plant .