Slavery has existed in many forms around the world for most of human history. Through this book, readers will discover many historical examples of the slave trade around the world and the work enslaved people were forced to do. Readers will learn facts about the Atlantic slave trade, as well as the people who did everything they could to free enslaved people. Find out how civil rights leaders risked their lives to free the enslaved through the Underground Railroad and learn how slavery still affects our modern world.