Based on the clue 'a streetcar is an abstract ballet inspired by the ...', what is the answer?

What is associated with: a street in budapest is named for this hungarian composer who moved to the us in 1940? What is associated with: a street in montgomery alabama is named for this woman who in 1955 refused to give up her seat… Based on the clue 'a street in mount royal park is named for this gre...', what is the answer? Based on the clue 'a street sign with this letter pair denotes a cros...', what is the answer? Based on the clue 'a streetcar named desire earned this actress her 2...', what is the answer? What is referred to by 'a streetcar'? What is referred to by 'a strengthless athenian'? What is referred to by 'a strenuous effort'?