 The German military was the first to promote condom use among its soldiers , beginning in the later 19th century . Early 20th century experiments by the American military concluded that providing condoms to soldiers significantly lowered rates of sexually transmitted diseases . During World War I , the United States and ( at the beginning of the war only ) Britain were the only countries with soldiers in Europe who did not provide condoms and promote their use . 
 The German military was the first to promote condom use among its soldiers , beginning in the later 19th century . Early 20th century experiments by the American military concluded that providing condoms to soldiers significantly lowered rates of sexually transmitted diseases . During World War I , the United States and ( at the beginning of the war only ) Britain <a href='uninflect' title='1'><mark>were</mark></a> the only countries with soldiers in Europe <a href='null_relcl' title='2'><mark>who</mark></a>did not provide <a href='negative_concord' title='3'><mark>condoms</mark></a> and promote their use . 
Da German military was tdafirst to promote condom use among its soldiers , beginning in thdaater 19th century . Early 20th century experiments by thedaerican military concluded that providing condoms to soldiers significantly lowered rates of sexually transmitted diseases . During World War I , the dated States and ( at the beginning of the wdaonly ) Britain was the only countries with soldiers in Europe did not provide no condoms and promote their use .