1. Which development during the 1950s and 1960s added to world opinion of the United States as a land of plenty?

A. the location of the United Nations in New York

B. air travel

C. first space exploration

D. television

D. television

Explanation:

During the 1950s and 1960s, television was introduced to the US, and companies took off from there. Television evolved from silent, black and white scenes to color.

Previously, the US was already regarded by many as a nation of prosperity and wealth, and this invention only reinforced that.

Hope this helps!

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the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]