sectionalism continues to divide the nation as the question of slavery being allowed in the mexican cession became a problem. -the results of the mexican war spark secession in the south because the north did not want to allow slavery in the territories won.
harriet tubman was a good person, she was an american political activist and abolitionist. she was born into slavery and escaped to rescue enslaved family and friends. later in life she served as an armed scout and spy for the united states army and then struggled later on for women's suffrage.