Americas

The Americas, or America, are lands in the Western hemisphere, also known as the New World. In the English language, the Americas refers to the landmasses of North America and South America with their associated islands and regions, while America refers almost exclusively to the United States of America. The Americas cover 8.3% of the Earth's total surface area (28.4% of its land area) and contain about 13.5% of the human population (about 900 million people). The specifics of Paleo-Indian migration to and throughout the Americas, including the exact dates and routes traveled, are subject to ongoing research and discussion. The traditional theory has been that these early migrants moved into the Beringia land bridge between eastern...