As the leader of the Republican Party and a vocal opponent of the expansion of slavery, Abraham Lincoln's views were best aligned with the Wilmot Proviso. The Wilmot Proviso was a proposal to ban slavery in any territory acquired from Mexico, reflecting the Republican Party's position against the expansion of slavery into new territories.
In contrast, the Compromise of 1850, the Dred Scott decision, and the Kansas-Nebraska Act were all related to the continuation or expansion of slavery, which would not be consistent with Lincoln's opposition.