What Was One of the Factors That Ultimately Kept Britain

What was one of the factors that ultimately kept Britain from committing to the Confederate cause?

A) The anti-slavery sentiment of the working people of Britain
B) The declining fortunes of the British textile industry
C) The British focus on its important colonial ventures in Africa and Asia
D) The threat of civil war within Britain
E) The British concern that aid to the Confederacy would provoke slave revolts in the Caribbean