The massive shift of population and industry out of the large central cities from the late 1940s through the 1960s was caused by Naim 22:15 Chapter 1 The massive shift of population and industry out of the large central cities from the late 1940s through the 1960s was caused by a. wars b. the mechanization of agriculture c. suburbanization d. immigration e. fear of nuclear war Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+