The north’s control of railroads gave it an advantage during the civil war because it could use trains to form blockades. move more men and supplies. export more cotton to europe. enlist railroad workers in the military. answer is b

B) move more men and supplies

Explanation:

harding's opponent in the 1920 election was ohio governor and newspaperman james m. cox, who had won the democratic nomination in a 44-ballot convention battle. harding rejected the progressive ideology of the wilson administration in favor of the laissez-faire approach of the mckinley administration.