Which of these elements are key characteristics of political boundaries in the United States? Select three options. They are set by the government.
They are created by cultural norms.
They form outlines of states, cities, or regions.
S
They are determined by significant historical events.
They have exact measurements that may include natural landforms.

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/wzUiVyK

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).