Which act of congress made it a federal offense to advocate the violent overthrow of the government?
a. teller act
c. hatch act
b. platt act
d. smith act

Smith Act, formally Alien Registration Act of 1940, U.S. federal law passed in 1940 that made it a criminal offense to advocate the violent overthrow of the government or to organize or be a member of any group or society devoted to such advocacy.

The answer is D

leonardo was the supreme renaissance painter, scientist, inventor, and polymath. da vinci is widely regarded as one of the greatest minds the world has ever produced. he was interested in everything from music to art and science. da vinci was an immense creative force at the start of the renaissance period. amongst his many works was the immortal painting – the mona lisa.

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mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.