Which professions best characterize the jobs held by people in the middle class at the turn of the twentieth century? clerks, teachers, and doctors factory, mill, and assembly-line workers union leaders and laborers big business owners and industry leaders

The correct answer is B: factory, mill, and assembly-line workers.

the answer is option a.

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).