The Spanish Civil War, Britain was not involved in it. Going back a bit, there was the naval blockade to stop the slave trade in the 19th century; that was morally just. Shame they didn't bother to abolish slavery at the same time.

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“The Spanish Civil War, Britain was not involved in it. Going back a bit, there was the naval blockade to stop the slave trade in the 19th century; that was morally just. Shame they didn't bother to abolish slavery at the same time.”