I believe it is C. He used extreme violence to scare enemies into surrendering.
C. Both the GNP and the percentage of high school graduates rose.
Answer:
William Levitt
Explanation:
William Levitt worked for his father's company Levitt and Sons and after coming back from war came up with the assembly-line techniques to help build more affordable homes for soldiers coming back from war
The presence of Communist governments in the Western Hemisphere.