The Columbian Exchange also had positive and negative effects. The positive side was the exchange of technology in agriculture, for example, which increased crop yields and food production in favor of Native Americans and in favor of Europeans. One of the negative effects was certainly the appearance of many diseases that Europeans transferred to the American continent. Native Americans first faced such illnesses, were non-resistant to them, and many of them died.
The correct answer according to the options offered is: A.
Answer:
rivers flow from north to south because the major mountain ranges run from north to south
have a good day <333
Well the main difference was that the South was using slaves while the north were already using machines and the north never used slaves
The Founding Fathers wanted to declare that America was an independent nation, and explain why they were declaring it.
I think it was because a bad winter in Russia