Answer: a: a sudden, radical, or complete change
b: a fundamental change in political organization
especially : the overthrow or renunciation of one government or ruler and the substitution of another by the governed
c: activity or movement designed to effect fundamental changes in the socioeconomic situation
d: a fundamental change in the way of thinking about or visualizing something : a change of paradigm
the Copernican revolution
e: a changeover in use or preference especially in technology
the computer revolution
the foreign car revolution
Step-by-step explanation: