Which of the following BEST describes Abraham Lincoln's public position on slavery by 1860
{"Image DocumentName": "Which of the following BEST describes Abraham Lincoln\u2019s public position on slavery by 1860?", "Image ImageDescription": "He opposed the expansion of slavery but not its existence. He opposed both the expansion and the existence of slavery. He supported popular sovereignty to decide the issue of slavery. He believed slavery should be allowed to expand.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}