That answer to be is B False
The Bessemer Process was wildly important because it represented the first relatively affordable way to manufacture steel. This was in turn greatly important because it helped speed up the process of industrialization around the world--leading to better living conditions for all.
As seems to happen so often in politics, the Federalists opposed the Louisiana Purchase not on principled grounds but because they thought it would hurt them politically. They claimed to oppose the Purchase because it was unconstitutional.