How did Henry Ford cause a major shift in Americans' living patterns in the early 1900s? A) His automobile allowed more people to move into major urban areas. B) His automobile allowed people to live further from their place of work. C) His methods of production used coal for the first time in human history. D) His work on the first airplane allowed the Wright Brothers to become famous. 11) When societies and governments make decisions, choices have to be made. Which choice is an example of opportunity cost? A) the amount of money necessary to build a new school B) rationing consumer goods for the war effort C) buying supplies for the military D) saving money for future needs