Which was a result of the boom in the automobile industry? a. The tourist industry declined. b. New roads were built. c. Gasoline had to be rationed. d. Workers in Ford plants received low wages.

The result of the boom in the automobile industry is that b. n ew roads were built. Transportation has been one of the major aspects that indicate whether a country or not is economically progressing or not. In this aspect, the rise of more cars requires more roads to be built for transportation.