Did lincoln have the right to commit an act of war without congressional approval

How did jackson prevent south carolina from seceding over tariffs while still upholding the rights of federal government

How did regional differences in italy initially prevent unity in the new nation?

50 points plz ! explain how this quote "choose a job you love, and you will never have to work a day in your life." - confucius is consistent with the beliefs of one of the ancient chinese philosophies