The NWSA formed in 1869 and dissolved in 1890 so therefore the answer would be a.1800s
<span>the middle united states has more rapid changes in temperature than the western united states.</span>
The answer to your question is gunpowder weapons.
siege warfare.
armored cavalry.
Hoped I Helped!
Britain, who was at the war with France again, would seize American ships and force Americans sailors to join the British Navy (impressment). The U.S. declared war on Britain in 1812 because Britain refused to stop seizing American ships that traded with France.
West Virginia: The state that said no