23. ¿Qué grado de efectividad alcanzó la Línea Maginot en la contención de los ejércitos alemanes durante la Batalla de Francia?

d: social contract theory

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.

b. ensure mutual protection from communism.

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the communist manifesto is an 1848 political pamphlet by the german near the end of the manifesto, the authors call for a "forcible overthrow of all existing social conditions",  ..