In the span between the Civil War and the First World War, several factors combined to move the advertising industry to establish professional standards and regulate itself, including abuses by patent medicine advertisers; the examination of most of the country's important institutions, led by the muckrakers; and in 1914.

The establishment of the Federal Trade Commission

Explanation:

President Thomas Woodrow Wilson in 1914 signed the Federal Trade commission act into law and the Federal Trade Commission was established.

The purpose of the Federal Trade Commission is ensure good and ethicals standards that would allow consumers make well informed decisions when purchasing products that are health related are enforced because of sincere advertisements of those products while encouraging competition as well.

a. the astrolabe could determine the correct latitudinal location of the ship