Which of these is a way to increase productivity?

what r the choices

Option D.

Explanation:

Minutemen, is the right answer.

Minutemen were noncombatant settlers who freely organized to create combat-ready militia troops self-trained in tactics, weaponry and military maneuverings from the American colonial partisan militia throughout the Revolutionary War in America. These people remained ready at a minute's notice thus they were given the name Minutemen.