Based on the clue 'check it out its how i refer to my flashy diamonds...', what is the answer?

What is associated with: check it out in 1972 he became the first american chess player to win the world championship? Based on the clue 'check it out youll find this landmark at independ...', what is the answer? Based on the clue 'check it out his presidential library is in indepe...', what is the answer? What is associated with: check it out in 2000 17 year old mit freshman elina groverman was the us womens co champ in th… Based on the clue 'check it out now its the nom de dj of norman cook...', what is the answer? Based on the clue 'check ouf all the jazz going on in orem ogden oph...', what is the answer? Based on the clue 'check our thor heyerdahls kon tiki raft in this ci...', what is the answer? Based on the clue 'check out a one or a two of the museum exhibits in...', what is the answer?