Which best characterizes europe in the period between the signing of the schuman plan and the formation of the european union?

nations slowly rebuilt their individual strengths.
nations failed to overcome world war ii losses.
nations reestablished armed forces and security.
nations took sizable steps toward cooperation

The answer is D)Nations took sizable steps toward cooperation.

The statement that best characterizes Europe in the period between the signing of the Schuman Plan and the formation of the European Union, Nations took sizable steps toward cooperation. The Schuman Plan proposed to put French and German coal and steel production under a common High Authority which wiould be open to participation of other Western European countries.

some american cities felt workers were being oppressed by business monopolies

this is a good question! i'll do some research and come back when i have the answer!