Early modern humans lived toward the end of the Paleolithic Period. These people moved around in small groups and moved from place to place to find food, these people were called . Historians
Artisans
Nomads
Scribes
Other:

The american anti-slavery society (aass) (1833–1870) was an abolitionist society founded by william lloyd garrison, and arthur tappan. frederick douglass, an escaped slave, was a key leader of this society who often spoke at its meetings.

True blindness may be caused by trauma to the eye, severe conjunctivitis due to  ibr (infectious bovine rhinoceros) or pink eye or other infections, leptospirosis, lead poisoning, selenium toxicity, fungal infections, vitamin a  deficiencies, rabies, vitamin b12 deficiency, neoplastic of the orbit or  conjunctiva, cataracts, congenital malformations, etc.