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:
B. A cold front pushes warm air upward, and the cold front collides with a cold front,
Explanation:
An occluded front is a form of a weather front that is formed in a situation or condition that involves a cold front surpassing a warm front. Here, the cold air mass from the cold front moves faster to collides with the cool air that is in front of the warm front. This will then lead to warm air rising when the air masses joined concurrently.
Hence, the best evidence to support that an occluded front is occurring is option B A cold front pushes warm air upward, and the cold front collides with a cold front,
I believe the centers of learning and art in the early middle ages were in monasteries.
A substantiated opinion is best supported by facts, like : studies, data, and research.
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