A: Ottomans advancing across Europe
was the biggest threat to the empire of Charles V?
<em>i belive it is 46 million</em>
Answer:
A pilot during the WWI.
Explanation:
World War I was one of the greatest war in Europe, which saw many casualties and destruction in Europe. Being a pilot in fighter plane during World War I was vital. Fighter pilot known as Aces. They kept destroyed enemies planes and claimed victories. Pilots played a significant role in the war as they track locations of enemies camps and attacked them. Some of them became popular and seen as modern Knights.
I think its A( I'm not completely sure though )