It was a water supply for the civilizations within the two rivers. The land was also very fertile and it made it easy to grow food. Lots of vegetation grew there.
The second one is correct:)
<span>The correct answer for 1 is perform military services. Vassals would have to fight wars for you and help you when it came to defending from others. The answer for 2 is It strengthened the idea that a monarch's power was limited, not absolute. They did it by giving more freedoms to the nobles who could now avoid being prosecuted if they disobeyed the king. The correct answer for 3 is Holy Roman Empire. Frederick I Barbarossa was the first Holy Roman Empire. It wasn't the entire Italy but rather the northern parts of it.</span>
He believed that the colonists should fight for their freedom from Great Britain. Paine believed that if the colonists believed in themselves and in the causes for which they were fighting, success would follow.