What is the north-south devide (in britain)

The north-south divide in the UK is referred to the economic and cultural differences between south England and the rest of Great Britain. 

North–South divide in the United Kingdom. In Great Britain, the term North–South divide refers to the economic and cultural differences between Southern England and the rest of Great Britain (Northern England, The Midlands, Wales and Scotland). The divide cuts through the English Midlands.

The answer is b im not sure