What did john Adams do to get the south states to join him?

John Adams worked to gain the support of Southern states by emphasizing the importance of unity against British oppression and appealing to shared values of liberty and self-governance. He also sought to address Southern concerns over issues such as slavery by promoting compromises that would protect their interests while fostering a collective identity among the colonies. Additionally, his advocacy for independence and strong leadership helped to sway Southern leaders who were initially hesitant.