Many Northern States feared that if America was to go to war with Mexico, any gained land would become slave territories, which would upset the balance of slave and free states.
Washington D.C , to burn the White House in retaliation for the American attack in the city of York in Ontario Canada
<span>What effect did the Punic Wars have on Rome's military development?</span>
Unitary governments are most popular, while confederal governments are least popular.
