Why did zachary taylor anger southerners when he became president in 1849?

At the point when Zachary Taylor moved toward becoming president in 1849, he infuriated Southerners by championing a free-soil answer for bondage by encouraging Congress to concede California and New Mexico to the union as free states. 
General Zachary Taylor. General Zachary Taylor was a local of Virginia, however, a received Kentuckian. Conceived in 1784, he had ascended to some national noticeable quality as an armed force officer in the War of 1812 and in battles against Seminole Indians in the 1830s. 
After an existence of thorough administration, Taylor kicked the bucket in office in 1850.