The scientific study of mass media got started because of interest in
a. french philosopher alexis de tocqueville how media messages were used to inspire public support for world war i
b. knowing which forms of advertising were most effective
c. finding out how the public feels about political and social issues
d. how violent video images might inspire violent behavior

how media messages were used to inspire public support for World War I

Explanation:

Mass media refers to the communication technologies that are used to reach a large number of people, including developments such as newspapers, billboards, radio, magazines, television and the internet. Scientific study of mass media got started because of interest in how media messages were used to inspire public support for World War I. During this global conflict, propaganda produced or supported by the belligerent governments was blasted through the mass media for the first time. By appealing to patriotism and nationalism, and by demonizing the enemy, the aim of the mass media was to rally support for the war. One of the most enduring examples of propaganda of these times is the famous I want you for U.S. Army poster depicting Uncle Sam. Overall, propaganda during the war was considered highly effective, and by the 1920s, the word "media" was already in use to refer to these mass communication technologies. Cultural critics such Walter Benjamin and Christopher Caudwell, among others, published works on the role of mass media in the 1930s.

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe

what is the other part to the question