The Southern US colonies had different exports from those of New England, because their economy was based on different products, and the terrain & weather conditions permitted a certain type of product in one area, but not the other. New England's economy was based on fishing, factory products, and textiles, while the Southern colonies was based mostly in agriculture, cotton, & tobacco. This made the exports extremely different.
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Answer:
I believe the answer you are looking for is b, New viruses are released into the bloodstream. Hope this helps :)
Explanation:
Some durable results of the Muslim empires is of course their magnificent architecture which was left behind them as they were master builders and devoted a lot of their buildings to their Khalifs and t oGod as well. They also made great advances in science; for example Algebra.
The Mayans created fantastic pyramids, an intricate dialect, comprehended zero and had a profound comprehension of the universe.
The Aztecs had probably the most progressive waterworks innovation on the planet with and the capacity to build up a high populace (albeit scarcely towards then end).
The Incas had the biggest domain of the cluster with a to a great degree refined roadway.
All the North American tribes had Pre-Columbus were Chaco Canyon and Cahokia which are quite forsaken in examination.