Given here are four sentences. The first sentence is in the correct order, while the rest of the sentences are jumbled. Pick the option that gives the correct order.

A. Ireland, meanwhile, had effectively been an English colony since the 12th century, 

B. and after the emergence of Great Britain, it remained under the influence of the British crown.

C. In 1801 it formally joined with Great Britain as a single political entity, 

D. which became known as the United Kingdom of Great Britain and Ireland or the United Kingdom for short.