On E2020 the correct answer is Isolation. I took the quiz and got a 100%
1) Was a Lancastrian prisoner of war alongside his mother and brother at age 7
2) Last king of house of York and Plantagenet dynasty
3) Had idiopathic scoliosis
Answer: 1
Explanation: because the sentence gives two half clauses, and it combines to make a full sentence.
The ANSWER for this question is A.