Complex sentence: In 1893, the Brooklands Lockout had be resolved by the Brooklands Agreement, and wage negotiations had passed from the individual will to agreements between the professional negotiators of the principal unions and the employers federation.
Split into simpler sentences: In 1893, the Brooklands Lockout had been resolved by the Brooklands Agreement. Wage negotiations passed from the individual mill to agreements between the professional negotiators of the principal unions and the employers federation.