What three orders did Constantine issue in hopes of aiding the economy it was almost?

Constantine issued several reforms aimed at stabilizing and aiding the economy, including the introduction of the solidus, a gold coin that helped standardize currency and facilitate trade. He also restructured the tax system to make it more equitable and manageable, ensuring that taxes were based on the ability to pay. Additionally, Constantine encouraged the establishment of urban centers and promoted agricultural production to stimulate economic growth across the empire. These measures were intended to strengthen the economy and support the empire's overall stability.