How did Adam Smith revolutionize economics? He developed the idea of the "invisible hand" of the free market, which continually keeps the economy on course.
He taught that a good or service is worth the value of the labor that went into it, neither more nor less.
He espoused the notion that an economy is successful when it increases the value of the national treasury.
He was the first to believe that the work of free laborers and entrepreneurs was more valuable than a feudal economy

- "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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what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem

c is the correct answer for this question.

because the vietnam war was fought in an especially brutal and untraditional way