D. Christian leaders negotiated with Roman officials to stop persecution.
Probably because any activities related to environment protection require a change of mentality and habits and participation of everyone in order to be fruitful.
Hitler's blunders contributed to the allied victory; ex, withholding the Panzer reserves away from local control of Rommel prior to the Normandy invasions. His stance of not retreating, led to the debacle of the Falaise pocket which destroyed many of his best divisions in the west, among them the 12th SS, Panzer Lehr, and others. Hope this helps.
<span>The Americas were the last (well, second-to-last if you count Antarctica) continents to be inhabited by early humans. Archaeologists estimate that people entered North America by crossing over the Bering Strait, which back then was a wide swath of land, about 15,000 years ago.</span>