Acommon goal of lincoln steffens, frank norris , and ida tarbell was to

A common goal of Lincoln Steffens, Frank Norris , and Ida Tarbell was to denounce publicly the political corruption, the labor exploitation and a series of abuses, immoralities and dirty rags of people and institutions of the early-20th century in the United States. They were called "Muckrakers".

Explanation:

They carried out a journalism of opposition to power, an activist movement that was a strictly professional attempt to overcome the saturation of information, characterized by standardization and the accumulation of data and make a kind of journalism aimed at provoking a response.

the phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

hope this : )

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others