What were the two reasons that the Polish government imposed martial law in Poland in the early 1980s?

The theory is land mass basically what they said.

It's either a or d. i'm pretty sure it's d though as rome fell in 476 c.e

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.