Cpt. alfred thayer mahan influenced the u. s. to

D:  build-up their Navy and become involved in world affairs.

Explanation:

His books on the importance on sea power in throughout history was instrumental in convincing the U.S. to spend more money in order to build-up their Navy and become involved in world affairs. Within the decade, the US would be involved in conflicts in Cuba and the Philippines.

the graphs indicate that few people in bolivia work in industry, as that is the least expressive sector shown in the respective graphic.