A decision often starts with a problem. For example: How can I make my government stronger? How can I improve the economy? In the early 300s, Constantine needed to strengthen the eastern empire. What decision did Constantine have to make?

Constantine had to decide how to reunite the Roman Empire, which had been divided into two parts since the late 200s. He had to decide how to strengthen the eastern part of the empire, which was facing threats from outside forces. He also had to decide how to bring the two halves of the empire back together, and how to create a unified government and economy.