the attempted coup against the soviet government in 1991 was led by

a. the united states.
b. boris yeltsin.
c. citizens angered by shortages.
d. communist hardliners.

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. 

Your mom was the first