The Baby Boom- What was probably the major cause of the beginning of the baby boom?

Geo App- The Baby Boom
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76 Unit 5, Chapter 19 ... Section 2. The term baby boom refers to the years 1946 to. 1964 when the population of the United ... Interpreting Text and Visuals. 1.

Question 2.  What was probably the major cause of the beginning of the baby boom?