Answer: D(?)
Explanation: If you are trying to replace the phrase within the underlined sentence, then A, B, and C aren't good options for the sentence structure. Only D makes sense.
Overpopulation can lead to limited resources
Answer:
Battle of Bulge
Explanation:
Battle of the Bulge, Adolf began an unprecedented assault against Allied troops in Belgium's thick Jungle Terrain. Hitler's last-ditch attempt to win the battle on the Southwestern Front was the offensive. The wars were fierce and bloody.