Snow ,rock avalanches and frigid weather
New inventions.. more learning becoming snarter
<span>Two of the major factors were the railroads and the invention of the assembly line. With the finishing of the transcontinental railroad some 30 years earlier, the US had a nation that was linked coast-to-coast and was able to transport goods in a fraction of the time it previously could. With the invention and perfection of assembly line processes, those goods could now be produced in a fraction of the time, as well.</span>
<span>raised plots for crops were built from mud in the lake bed with canals between them :)</span>
Answer: The War of 1812 was fought between the United States and Great Britain and lasted from 1812 to 1815. Resulting from American anger over trade issues, impressment of sailors, and British support of Indian attacks on the frontier, the conflict saw the US Army attempt to invade Canada while British forces attacked south.
Explanation: hope this helps
