Like most innovations genetically modified foods are not without controversy. What is the meaning of innovations in this sentence?

What event in english history came to be known as the glorious revolution? a. the overthrow and execution of charles i by parliament b. the revolution led by oliver cromwell to rescue protestants in ireland c. the overthrow of james ii and the crowning of william iii and his wife, mary ii d. the return of charles ii and his crowning as the english monarch