The War of 1812 was actually fought in multiple places including North America, the Pacific Ocean, the Atlantic Ocean, the East Coast of the US, and the Gulf Coast of the US. Hope this helps!!
One could argue that one similarity that Britain and the West Indies had with the New England colonies was that they all shared in the same "triangle trade", which brought large amounts of slaves to the Caribbean and large amounts of sugar and other products to Britain.
the answer is:
1.)Skilled workers were less necessary.
2.)Fewer tasks needed to be done by hand.
3.)Inventions made production less time consuming.