The correct answer is A. Each era.....
Saw my quiz results.
Well without a description om shooting in the dark. But id assume that the answer is Trench Warfare. Since A- was around since contact with Native Americans and largely popular in North America. B- Only was used and discovered in WW2. And C- was used but was largely frowned upon and condemned by both sides.<span />
Answer:
The correct answer is b. Truman doctrine
The Truman Doctrine was an American foreign policy approach that was aimed at countering the influence of communism and Soviet geopolitical expansion by supporting pro-democratic countries against Soviet aggression. Countries such as Turkey and Greece were targeted.
Explanation:
