What method of recruiting soldiers do you feel is effective?

Propaganda.

Explanation:

Propaganda is the information presented to the people to influence them in a particular direction. Propaganda posters and handbills played an important role to recruit soldiers in wartime. Artist carefully portrayed the pro-war messages which appeals to the people. Wartime propaganda were used not only to recruit soldiers but also to finance the war efforts, justifying war and to promote patriotism among people.