Military action in Afghanistan was the United States response to the terrorist attacks of September 11, 2001. The correct option among all the options that are given in the question is the last or the fourth option. On the very date of 7th October 2007, the United States started the war in Afghanistan. The main target of the war was the destruction of Al Qaeda.
Charlemagne reunited Western Europe. He built an empire that reached across three countries.
The Jewish population represented a detrimental part to society. See, the Jews were blamed for the loss of World War 1. Germany was severely embarrassed about all the land in Africa they had to give back and money they had to give. The Jews were a marker to starving and angered Nazi and German population.