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.
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Are you serious? Is this a serious question? US lawmakers see ISIS as a threat because it is a terrorist organization, they have killed many people just to spread fear!
For example; There were multiple attacks in iraq in 2013, involving a car bombs and su*cide bombings. There have been MANY attacks around the world since then!
Fortunately, their leader has recently been killed by a dog in the armed forces.
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The mountains isolated Greeks from one another, which caused Greek communities to develop their own way of life. Greece is made up of many mountains, isolated valleys, and small islands. This geography prevented the Greeks from building a large empire like that of Egypt or Mesopotamia
all of the choices are correct