D. They secured the U.S. border of the Oregon Territory by negotiating a treaty with England.
Answer:
The managers of the steel mill sent guards to violently attack the strikers.
Explanation:
The Homestead Strike began in 1892 was a result of the conflict between one of the most powerful corporations Carnegie Steel Company and trade union named Amalgamated Association of Iron and Steel Workers. It resulted in a massacre when private guards hired by the steel company came into blood_y conflict with the strikers, resulted in loss of life of nine strikers and seven guards.
