That would be the <span>precession of Mercury's perihelion.
In simpler terms this would mean that the Mercury's orbit, perihelion, did not behave as it should according to the Newton's laws. That is its rotation of the orbit, the precession, was strange as it was at its closest to the sun at different places as it slowly moves around the sun.
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The 1910 campaign for woman suffrage in Washington State is often seen as a key event in the history of woman suffrage in the United States.
Answer:
Europeans' conquest of Africa. One overwhelming advantage was the Europeans' technological superiority. The Maxim gun, invented in 1884, was the world's first automatic machine gun. European countries quickly acquired the Maxim, while the resisting Africans were forced to rely on outdated weapons.
Progressive Era reformers convinced others to use civil service systems to replace the political machines.