All persons born or naturalized in the United States and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside. No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.( I think)
The Confederate states (the south) were against freedom of slaves so the Civil War changed to eliminate slavery there (slavery was mostly abolished in the north).
The main type of Japanese plane used during the attack on pearl harbor was the "Zero" Fighter, due mostly to the fact that it was highly maneuverable and quick to evade gunfire.
The rulers all thought they were Gods, and were immortal. The subjects however knew they were not immortal, and everything they did wrong would be counted against them when they died and their God would see if their heart was heavy or not.