<span>The Northwest Ordinance banned slavery from expanding in territory north of the Ohio river. The Northwest Ordinance is also know as the Ordinance of 1787. This ordinance created the Northwest Territory.</span>
Answer: Quartering Act
Explanation: Acts of British Parliament requiring local governments of the American colonies to provide the British soldiers with housing and food.
Before Polk, the United States and Mexico had boundaries along the Rio Grande River. Texas and Polk claimed that America's southern border ran down to the river south of the United States' positon back then. They had a war, but Mexico lost and U.S kept expanding.
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