Elvis Presley (rock-and-roll star), James Dean (actor, he died in 1954) and Chuck Berry ( rock-and-roll star) were famous icons of the 1950s youth culture. Frank Sinatra was not a famous icon, during the 1950's he was in a kind of shadow.
Correct answer is D - Frank Sinatra
Many died from being slaves and most likely the diseases being spread.
"New" Immigration took place during the Gilded Age. Most of the immigrants were from Greece, Italy, Poland, Slovakia, Serbia, Russia and Croatia. The vast majority of immigrants were Roman Catholic and Eastern Orthodox. However, Jews from Eastern Europe began to immigrate as well because of increasing persecution. Sorry if this didn’t help
No they weren't 20 CHARCATERS LONG