Final answer:
The Compromise of 1850 favored the North through the admission of California as a free state and the abolition of the slave trade in Washington D.C.
Step-by-step explanation:
The portion of the Compromise of 1850 that would favor the North is the admission of California as a free state and the abolition of the slave trade in Washington D.C. These measures pleased antislavery advocates and abolitionists in the North, as it limited the expansion of slavery and restricted the slave trade in a significant area.