They did it by being better than anyone else at metalworking. They had a strong and developed iron industry and they traded a lot with other nations so they could amass large amounts of wealth. They also made textile out of cotton and had large amounts of gold, so it was easy for them to become dominant.
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Answer:
The Crusades
With the Seijuk Turks of central Asia bearing down on Constantinople, Emperor Alexius I turned to the West for help, resulting in the declaration of “holy war” by Pope Urban II at Clermont, France, that began the First Crusade
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The answer to your question is D because cell phones & the Internet are both forms of instant communication.
Answer: The most straightforward theory for Western Rome’s collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire’s borders. The Romans weathered a Germanic uprising in the late fourth century, but in 410 the Visigoth King Alaric successfully sacked the city of Rome.
Explanation: