After world war 1 the ottoman empire a- became the center of the muslim world b-became extremely wealthy as a result of the discovery of oil c-was most influential in europe because it bridged it with east asia along trade routes d-was divided into several smaller new nations

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.