Which aided the decline in population in the northeast and midwest in the 1970s?

just like you man, i personally think its either c or d

explanation:

but good luck with the test man

lancelot said to the beautiful ellen i c u r a b u t l n (i see you are a beauty lancelot was the greatest and worst of the knights who became the king's champion and undertook quests in the king's name. he became the adulterous lover of queen guinevere, and they had a son named galahad.