It's C.France fought to regain the region from Germany.
I believe it's industrialization. <span />
<span>The most important reason emperor justinian might have commissioned the building of the hagia sophia was to solidify his power and show his followership to Christianity.</span>
That would be C. the northeast
This was location of most of the original colonies, and it doesn't make sense for any other region to be more urbanized and industrialized. The US didn't inhabit the entire continent at once, instead, they slowly made their way across. Industrialization takes a long time, and it only makes sense that the longest inhabited part of the country would be the most industrialized at that time.
