The statement “force equals mass times acceleration” is newton’s second law of motion. why is this a law rather than a theory?
(a)it states, rather than explains, the relationship between the variables.
(b)it cannot be proven, whereas a theory can be proven.
(c)it may be revised if new information shows that the relationship has changed.
(d)it was classified as a law because it is related to other similar discoveries.

(a)It states, rather than explains, the relationship between the variables.

Explanation:

Newton's laws, also known as Newton's laws of motion, are three principles from which a large part of the problems posed in classical mechanics are explained, particularly those related to the movement of bodies, which revolutionized the concepts of physics and the movement of bodies in the universe.

In particular, the relevance of these laws lies in two aspects: on the one hand they constitute, together with the transformation of Galileo, the basis of classical mechanics, and on the other hand, by combining these laws with the law of universal gravitation, they can be deduce and explain Kepler's laws about planetary motion. Thus, Newton's laws allow us to explain, for example, both the movement of the stars and the movements of the artificial projectiles created by the human being and all the mechanical functioning of the machines. Its mathematical formulation was published by Isaac Newton in 1687 in his work Philosophiæ naturalis principia mathematica.

The dynamics of Newton, also called classical dynamics, is only fulfilled in the inertial reference systems (which move at a constant speed, the Earth, although it rotates and rotates, is treated as such for the purposes of many practical experiments). It only applies to bodies whose speed is considerably distant from the speed of light; When the speed of the body is approaching 300,000 km / s (which would occur in non-inertial reference systems) a series of phenomena called relativistic effects appear. The study of these effects (contraction of length, for example) corresponds to the theory of special relativity, enunciated by Albert Einstein in 1905.

- "schenck v. united states, case in which the u.s. supreme court ruled on march 3, 1919, that the freedom of speech protection afforded in the u.s. constitution's first amendment could be restricted if the words spoken or printed represented to society a “clear and present danger.” "

- speech aimed to potentially create danger could be banned.

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i'd assume india mainly because of how isolated japan was.   plus it is a whole china away.