During the 1950s, television a. effectively spread images of working-class life to a growing number of americans. b. tried to replace newspapers as the most common source of information but failed. c. became the nation¿s least favorite form of leisure activity. d. became an effective advertising medium. e. presented shows that were controversial.

D. Became an effective advertising medium

Explanation:

The 1950's was the Golden Age of television,as such it became an effective advertising medium, as radio was during the 1920-1940 period. By becoming the center of social life in the American households the TV entered the life of people, allowing advertisemnt to evolve and become more efficient in its primary goal of positioning products.

explanation: we can only guess at how our actions may be perceived in the future. doing something really big like killing lots of people, saving lots of people, affecting the lives of lots of people is a sure fire way of being remembered in historical records. we can also make a difference in the history records by being a small influence on something bigger, whether that is as a civil servant, scientist or artist.

of course you could argue that we all affect history just as tiny cogs in a   bigger machine.

if you mean how do people influence our opinions of things which have already happened, then simply by writing a book which looks at things form a different perspective and trying to convince people that this perspective is more accurate or truthful. people do it all the time i.e. richard the third was a terrible or was he? plenty would disagree, it's just that their views aren't the most widely known.n:

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.