Answer:
<em>Luther’s public denunciation of indulgences and other church practices came at a very unique time in European history. These geopolitical forces all combined to protect Luther from the fate of previous “heretics,” to be burned at the stake. The principle protection for Luther came from the threat of the Ottoman Turks.</em>
Explanation:
<span>1.For the fall of Rome, it was the Huns invading from the east that caused the domino effect, they invaded (pushed into) the Goths, who then invaded (pushed into) the Roman Empire.
2. I'm not so sure</span>