What effect did these innovations have on the war

These innovations resulted in higher rates of people getting killed or injured in a war rates than in the past .

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

answer; /// i believe that the correct answer is (b)///they gained vast amounts of