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The Fertile Crescent is basically where human civilization started. It stretches from Mesopotamia and across the Mediterranean coast to Egypt. Early civilizations depended on agriculture. To make agriculture, you need a river because it is a good water source to help grow your crops.
If you look at the map I have provided below, you will see that there are tons of rivers. This would make it very easy for settlers to grow crops. This means that sea tides and eroding mountains aren't the answer. I don't think the rivers were flooding and natural canals is an oxymoron because canals are artificial waterways, but this all should give you and idea.
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Greece is located at the crossroads of Europe, Asia, and Africa. Situated on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, the Republic of Macedonia and Bulgaria to the north, and Turkey to the northeast. The Aegean Sea lies to the east of the mainland, the Ionian Sea to the west, the Cretan Sea and the Mediterranean Sea to the south. Greece has the longest coastline on the Mediterranean Basin and the 11th longest coastline in the world at 13,676 km (8,498 mi) in length, featuring a large number of islands, of which 227 are inhabited. Eighty percent of Greece is mountainous, with Mount Olympus being the highest peak at 2,918 metres (9,573 ft).
Answer:
The Europeans, apart from doing their business through the Mississippi and Amazon, brought diseases to the native populations.
Explanation:
When the Europeans started to explore the Americas, they were trying their best to establish the best possible foundations for business and to make a big profit from it. This led to using everything that was at disposal, and the large rivers, like the Mississippi and Amazon, were excellent for easy travel and transportation over long distances. While these rivers served the Europeans very well, it brought tragedy to the natives.
Not always the Europeans were agressive to the native populations, but actually, more often than not they tried to establish good relations with them because in that manner they were able to have greater benefit. Unfortunately, through the interaction, the Europeans transmitted multiple diseases to the natives for which they did not have immune system capable of coping with them. This led to mass dying out of native populations. Both continents were heavily affected by this, and while often forgotten, the Amazon basin, with the new discoveries and what has been written in the exploration books by the Europeans, might have had several million-strong populations, which dissapeared in only a few decades.
The answer is the Midwest
