There are three Key Concepts for the time period that includes Unit 4. Students should look for these as they review:
- Globalizing Networks of Exchange
- New social organization (racial categories and elites) and economic systems
- Stronger states, especially empires
More specfically, Fiveable’s Unit 4 Study Guide has key questions and terms.
Finally, Plus members can watch replays of useful live reviews. Look here under Unit 4. “Transoceanic Connections” with Allie Thiessen reviews all of the topics in the Unit. Others are more specialized.