The graph shows the number of births in the United States over a forty-year period.
Which event contributed most directly to the trend
shown above?
Number of Births
4.4
4.2
o the stock market crash of 1929
O the Japanese attack on Pearl Harbor
O the Allied victory in World War II
O the presidential election of Dwight D. Eisenhower
Population an millions)
4.0
3.8
5 3.6
3.4
53.2
3.0
1940
1950
1960
1970
1980