Part a: which of the following best describes a theme of the text?
you answered c.
a.
progress comes from gradual change and cannot be sped up by radicals.
b.
leaders guide people to make changes in society that will benefit everyone.
c.
changes in society are not brought about by powerful leaders, but by common people.
d.
sometimes violence is needed to create change, because it will inspire people to act.

Syllable added to a root word to change its meaning : affixan independent word--example run,walk,book : free morphemeaffix that gives grammatical meaning such as tense or number : inflectiona word part that must attach to a word in order to be usable : bound morphemedegree of comparison formed by adding -er or more to an adjective : comparativedegree of comparison formed by adding -est or most to an adjective : superlativeaffix added to the beginning of a word : prefixaffix added to the end of a word : suffixroot word of lovable : lovetwo roots used together to form one word : combining form