During the era of mass communication theory, the media were believed to be corrupting influences that undermined the social order, and "average" people were considered defenseless against their influence.

moral agent

Explanation:

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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