Why is learning about a scholar like Thales still valuable, even though some of his ideas were later proved to be incorrect

Thales is said to have `discovered' Ursa Minor, studied electricity, developed geometry, contributed to the practical application of mathematics later developed by Euclid, developed a crude telescope, `discovered' the seasons and set the solstice,

Explanation:

the tallest building in the western hemisphere and the sixth tallest building in the world

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism