Appalachian Mountains were widely known for their extension between the region of Newfoundland and Labrador in Canada to central Alabama in the United States. They span about 3,200 kilometers, and the study shows they have been existing since more than 400 million years ago, during the period known as Ordovician period.
Hence, based on the information in the question, the right answer is option A. Appalachian Mountains
When writing an essay like this, I would devote one paragraph to talking about how supply and demand dictate prices, and another paragraph to how international trade fuels economic growth.
Europeans changed the economy from a model of producing foods for need to mainly the production of cash crops. All crops produced by Africans were exported and prices were set by the colonies. Africans were not allowed to grow these cash crops to benefit themselves.
During the age of exploration, there was the mass destruction of entire communities of Natives. The Native American genocide included the brutal torturing and murdering of indigenous people.