In this live review, teacher Allie Thiessen explains the key features of AP World History: Modern until the year 1450. This review covers content from "Period 0" (foundations to 1200) that is no longer in the course but is historically significant. The review also will introduce students to key content in Period 1, Unit 1: The Global Tapestry, and Period 1, Unit 2: Networks of Exchange. As all of the content covered demonstrates important historical themes, this review will help you in multiple ways. Get some practice with review questions from Period 0 and Period 1 throughout.