Answer:
It was unnecessary because the treaty of Ghent, which ended the war, had been signed two weeks earlier. ... Representatives in Congress who wanted war with Great Brittan.
I'm just gonna make an educated guess here... and say... A?
Pretty sure it was because of huge war reparations.
One way in which the development of the Bessemer process affected the growth of cities was that "<span>a. It enabled the mass production of steel, which was used to build new factories," since it sped up the removal of impurities from the iron product. </span>