Why did ming leaders encourage authors to write about events from chinese history?

It was an attempt to minimize the importance of the Mongols and to emphasize the Chinese longevity and importance.  It also helped save the various scientific and social achievements that were swept aside by the Mongols.

The winning group always writes the history.

He advocated for a separation of powers of the government and the ones enforcing the law.

Athena (goddess of wisdom) gave perseus an unlikely tool to defeat medusa that requires brain over brawn that was instrumental in his victory against medusa