James Dean, Elvis Presley, and Allen Ginsberg were all popular with youth in the 1950's. They represented the embrace of machismo by mainstream society, but they each pertained to three completely different things. James Dean represented a male teen in his movies who was very unsure of himself, but in real life was venerated by many female fans. Elvis Presley used many sexually provocative dances to attract many females and Allen Ginsberg challenged the way homosexuality was perceived in a very machismo society.
Options A, B, and D are true, and option C. Is not true. The chief justice is chosen by the president and does not need to be the longest serving justice, and the nomination is confirmed by the senate.
Superior weapons, rival indigenous groups and disease. Disease made the unintentional impact.