Answer: After the unification of the Arab tribes, Islam expanded in all directions. Within a few decades, it occupied an area of land only comparable to the Roman Empire in its heyday. It would soon assume the role of commercial liaison between economically important areas of the world then: in Europe, Africa and Asia. The military progress achieved by the Muslims allowed them to isolate Europe, blocking trade especially through control of the Mediterranean Sea. For many historians, this has accentuated a trend that had existed since the 5th century, focused on agrarian life, and which would lead Europe to feudalism.
The Islam changed because of these encounters, with technology, some traditions and religions were swept away or changed.
Answer: Most Cherokees live in close-knit communities in eastern Oklahoma or the Great Smoky Mountains in North Carolina, but a considerable number live throughout North America and in cities such as New York, Chicago, San Francisco, and Toronto.
not 100% sure
Herman Christian Roebling, Carl Roebling, and Friederike Amalie
Answer: A system of supportive federalism emerged, as the authorities of the federal government expanded
Federal government is used to describe the government of the United States as a whole.Federalism is the idea that in the US government power is divided between the government of the US and the government of the individual states. The national government is sometimes called federal government because technically US can be considered a federation of states
