Answer:
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Explanation:
Jim Crow laws were state and local laws that enforced racial segregation in the Southern United States.[1] These laws were enacted in the late 19th and early 20th centuries by white Southern Democrat-dominated state legislatures to disenfranchise and remove political and economic gains made by black people during the Reconstruction period.[2] The Jim Crow laws were enforced until 1965.[3]
In practice, Jim Crow laws mandated racial segregation in all public facilities in the states of the former Confederate States of America and in some others, beginning in the 1870s. Jim Crow laws were upheld in 1896 in the case of Plessy vs. Ferguson, in which the U.S. Supreme Court laid out its "separate but equal" legal doctrine for facilities for African Americans. Moreover, public education had essentially been segregated since its establishment in most of the South after the Civil War in 1861–65.
The legal principle of "separate but equal" racial segregation was extended to public facilities and transportation, including the coaches of interstate trains and buses. Facilities for African Americans were consistently inferior and underfunded compared to facilities for white Americans; sometimes, there were no facilities for the black community.[4][5] As a body of law, Jim Crow institutionalized economic, educational, and social disadvantages for African Americans living in the South.
Newton argued that all heavenly bodies have gravity.
The gravity is a natural phenomenon by which the objects with mass are attracted to each other, effect mainly observable in the interaction between the planets, galaxies and other objects of the universe. It is one of the four fundamental interactions that cause the acceleration experienced by a physical body in the vicinity of an astronomical object. It is also called gravitational interaction or gravitation.
Isaac Newton was the first to state that the force that causes objects to fall with constant acceleration on Earth (earth gravity) and the force that keeps the planets and stars in motion is of the same nature. This idea led him to formulate the first general theory of gravitation, the universality of the phenomenon, exposed in his work Philosophiae Naturalis Principia Mathematica.
