Download our free AP U.S. History Study Pack that covers the content you need to review for your exam. https://marcoap.co/studyguide In this video, John Moscatiello, founder of Marco Learning, covers Key Concept 1.2 of APUSH. Period 1 focuses on what life was like in the Americas before European contact and how contact with Europeans forever altered the lives, cultures, and customs of American Indian societies. The Columbian Exchange, the Atlantic slave trade, and Native Americans. Download free practice tests for APUSH here: https://marcolearning.com/free-practice-tests ----------------------------- Instagram: @marcolearning TikTok: @marcolearning Twitter: @marcolearning Facebook: @marcolearningap #apush #apushistory #columbianexchange