The autonomous region with the most positive history shared together in the last 100 years would be Scotland.
Why would it be Scotland?
Scotland is an autonomous region in Great Britain and in the last 100 years, there has been peace between Scotland and the rest of Britain.
Indeed, Scotland is even in the union of Great Britain by choice after they held a referendum in 2014 to decide if they wanted to stay with most Scots choosing to stay with their fellow Brits.
In conclusion, option C is correct.
Find out more on the Scottish Referendum at https://brainly.com/question/8045776.
