Hi,
Pyramids were built for religious purposes. The Egyptians were one of the first civilizations to believe in an afterlife. They believed that a second self called the ka lived within every human being. When the physical body expired, the ka enjoyed eternal life.
Hope this helps
<span>Passed by Congress on January 31, 1865, and ratified on December 6, 1865, the 13th amendment abolished slavery in the United States and provides that "Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States</span>
By the bombing of Tokyo, you mean the Doolittle raid then yes, It was a much-needed morale booster.
Not to use poisonous gases for that was an inhumane way to die, cause who wants their lungs melted while still inside their body