We call upon the government of Japan to proclaim now the unconditional
surrender of all Japanese armed forces, and to provide proper and adequate
assurances of their good faith in such action. The alternative for Japan is prompt
and utter destruction.
--Proclamation Defining Terms for Japanese Surrender,
issued from Potsdam, Germany, July 26, 1945
Which new technology gave President Truman the confidence to issue this ultimatum
to Japan?
Al Sherman tanks
The atomic bomb
c. Chemical weapons
D.
The aircraft carrier