Answer:
The Strategy of Chiang Kai-Shek. "Matching our blood and flesh against the enemy guns, even if we are defeated in battle, in the end we will win the war." -- Chiang Kai-shek, July 1934.
Explanation:
Mark me brainliest if I helped:D
The conditions being so bad? i might be wrong
<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
The answer is D hope this helps.