The Ming Dynasty's First Virtuous Prince: Neglecting His Duties?

[Hand-built technology + Expansion into new territory + No System] So what if I don’t do my job? My father’s the emperor, and my brother’s the crown prince! So what if I advocate opening up sea trade and the ministers oppose me? My father’s the emperor, and my brother’s the crown prince! So what if I’m more barbaric than the barbarians? My father’s the emperor, and my brother’s the crown prince! What? You’re asking who I am? I am Zhu Zhen, Prince of Chu, the sixth son of the Ming Emperor, a concubine-born eldest son, and the right-hand man of Crown Prince Zhu Biao!