In the regard to regulate companies, roosevelt wanted them to serve a the government in the best way possible b the public in the best way possible c the economy in the best way possible d private interest in the best way possible

It might be to serve the public in the best way possible

The answer is: to serve the public in the best way

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).