The primary context for this vietnamese declaration was

The preamble explains the reasons  why ben franklin and the other founding fathers  of the constitution made our government a republic. by doing this they also replaced the articles of confederation

Hello there! the answer you’re looking for would be hearing-aids. hope this and good luck to you! : )

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.