Neptune discovery telescope. The telescope at New Berlin Observatory (1835â1913), that discovered Neptune, was an achromatic refractor of 9 Paris inch (9.6 English inches or 24.4 cm) aperture made by the late Joseph Fraunhofer's firm, Merz und Mahler.
The southern states needed these slaves because the southern states had more farms and plantations than the North did. Not everyone could afford slaves; slaves were really expensive. They were expensive to buy because they had to be feed and taken care of.
The Three-Fifths Compromise gave the Southern states, which had a much smaller population of free people relative to the Northern states, outsize power on the national stage, allowing them to force compromises that preserved and extended slavery until the 13th Amendment outlawed the practice.