dieselfutures:

British Army during 1926 General Strike

During the war, the coal industry, like the rail industry, had been
nationalized. On 1 April 1921, the mines were privatized again. The mine
owners might have reacted to the crisis in their industry by investing
in their mines with new equipment to raise productivity, but instead
sought to protect their profits by immediately threatening to lower
their workers’ wages. The miners’ trade union, the Miners’ Federation of
Great Britain (MFGB) turned to their trade union colleagues for help.

dieselfutures:

British Army during 1926 General Strike

During the war, the coal industry, like the rail industry, had been
nationalized. On 1 April 1921, the mines were privatized again. The mine
owners might have reacted to the crisis in their industry by investing
in their mines with new equipment to raise productivity, but instead
sought to protect their profits by immediately threatening to lower
their workers’ wages. The miners’ trade union, the Miners’ Federation of
Great Britain (MFGB) turned to their trade union colleagues for help.