What was happening in muslim lands that led european christians to begin going on crusades at the end of the 11th century

15 points to the "charlemagne" section, what were the two policies that charlemagne implemented when he took the throne? what was the result of the policies and how did it impact his warriors?

Hich explains why the constitution gave congress the power to create a system of federal courts? the constitution wanted congress to share power with the judicial branch. the constitution anticipated the need for courts lower than the supreme court. the constitution wanted congress to share power with the appellate courts. the constitution anticipated the need for courts equal to the supreme court.

After ww2, the soviets began setting up what type of governments in countries closest to them