There's Still Hope for My Great Ming

In 1620, the Great Ming is beset by turmoil. In the northeast, Nurhaci is sharpening his blades; in the southwest, the native chieftains are waiting for their chance to strike; in the southeast, the colonizers are watching hungrily; and in the northwest, the Mongols are intent on unification. Powerful enemies threaten from without, the court is in chaos within, and natural disasters strike one after another. As a transmigrator, how should Zhu Youxiao turn the tide and prove that the Great Ming can still be saved?