You're correct.
http://en.wikipedia.org/wiki/1968_Republican_National_Convention
http://en.wikipedia.org/wiki/1968_Democratic_National_Convention
Hundreds of antiwar protestors were injured or jailed as a result of demonstrations outside the Republican convention in Miami Beach in 1968.
------------------my answer: False?
my took talks about campus students participating the protest and then the amount of ppl grew to 20,000 people. but it didn't talk about getting injured and jailed and the convention in miami beach in 1968
2 answers
You probably meant book not took, you forgot to insert an in, the use of people twice is redundant, and an and should be replaced by at.