What were the three main principles of public education in the 1800's?

By the mid-1800s, most states had accepted three basic principles of public education: that school should be free and supported by taxes, that teachers should be trained and that children should be required to attend school. By 1850, many states in the North and West used Mann's ideas. Hope this helps^_^

Explanation:

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adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

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