Answer:
The Mongol Invasion of Europe. Reports of the Mongol attacks terrified Europe. The Mongols increased their empire using swift and decisive attacks with an armed and disciplined cavalry.
Positive Effects of the Mongols. Although the Mongol invasion of Europe sparked terror and disease, in the long run, it had enormous positive impacts.
Spread of Technology. Within the Pax Mongolica, the sharing of knowledge, information, and cultural identity was encouraged.
Effects of the Mongol Conquest. Before the Mongol Empire, Europeans and Chinese were largely unaware of the other's existence.
Explanation:
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Answer:
The cotton gin
Explanation:
When Eli Whitney invented the cotton gin it provided a quicker method when it came to picking the seeds out of cotton. The faster the seeds could be picked out the more the plantation owners wanted a faster way to pick cotton.
Transcontinental railroad and the bessemer process
The "Columbian Exchange" -- as historians call this transcontinental exchange of humans, animals, germs and plants -- affected more than just the Americas. In China, for example, the new era began when sailors reported the sudden appearance of Europeans in the Philippines in 1570. The astonishing thing about this was that they had come across the ocean from the east.
