The delegates who remained at Baltimore nominated Douglas and endorsed his doctrine of squatter sovereignty.

留在巴尔的摩的代表提名道格拉斯并支持他的擅自占地者主权学说。

That, he said, was the fatal error—the cause of all discord, the source of " Black Republicanism, " as well as squatter sovereignty.

他说，那是致命的错误——所有不和的根源，“黑人共和主义” 的根源，也是棚户区主权的根源。