Answer: Social
Explanation: I just got it right on my world history work
The conflict between Henry IV and Gregory VII Concerned the question of who got to appoint local church officials. Henry believe that, asking, he has the right to a point the bishop of the German church. This was known as lag investiture.
Hope that helped
As the League of Nations crumbled, politicians turned to a new way to keep the peace - appeasement. This was the policy of giving Hitler what he wanted to stop him from going to war. It was based on the idea that what Hitler wanted was reasonable and, when his reasonable demands had been satisfied, he would stop.
Although historians recognise appeasement in the actions of Britain and France before 1938, the Sudeten Crisis of 1938 is the key example of appeasement in action. Neville Chamberlain was the British prime minister who believed in appeasement.
