Which of the following statements is true?
a.
the earth has evolved over time.
b.
the earth's continents have not changed over time, but some islands have formed.
c.
the earth is exactly the same as it was millions of years ago.
d.
the earth's surface has not changed over time.

- "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.

< 3

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

the answer for 3 is b and the answer for 4 is d

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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