The term 'Sourdoughs' Strikes' refers to a series of labor strikes that occurred in the early 1900s in the western United States. The strikes were led by miners, known as 'sourdoughs, ' who were protesting against the low wages and dangerous working conditions they faced. The strikes were successful in raising wages and improving safety standards for miners. The crossword solution for this term is ORES, which refers to the ore that miners were extracting from the ground.