One of the most controversial conflicts in U.S. history, the Mexican-American War erupted as President James K. Polk sought to extend the borders of the nation to the Pacific, taking by force whatever territory stood in the way.
In Mexico and Peru Professor Gates explores the almost unknown history of the significant numbers of black people—the two countries together received far more slaves than did the United States —brought to these countries as early as the 16th and 17th centuries, and the worlds of culture that their descendants have created in Vera Cruz on the Gulf of Mexico, the Costa Chica region on the Pacific, and in and around Lima, Peru. Watch full episode.
Upon the arrival of Columbus in 1492 in the Carabean Islands, unknown to Columbus (and majority of the Eastern Hemisphere), he landed on Islands located in the middle of two huge continents now known has North America and South America that was teaming with huge Civilizations (that rivaled any in the world at that time) and thousands of smaller Nations and Tribes. With recent estimations, the population may have been over 100 million people that spanned from Alaska and Green Land, all the to the tip of southern South America.
Pre Colombian North America (north of Mesoamerica):
In Pre-Canada, most people lived along the coast, along the major rivers