Because there were no resources that could prove useful to him So he left them unharmed. Also if he tried to take over Sweden he would have had a hard time due to Sweden being surrounded by mountains.
Answer:
The Pisan popes Alexander V and John XXIII are now considered to be antipopes. Gregory XII's resignation (in 1415) was the last time a pope resigned until Benedict XVI in 2013.
Result: Stabilization between 1417–1429 during the pontificate of Pope Martin V and ...
Date: 1378–1417
Location: Western Christendom (primarily Europe)
Explanation:
Answer: I believe the answer is D) Both A and B
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