PLEASE HELP ME Why were the Sung unable to survive Kublai Khan's siege?
O Kublai Khan used ships to block the Sung's access to rivers.
Kublai Khan used his larger army to surround the cities.
O Kublai Khan used traditional Mongol fighting techniques.
Kublai Khan used horses to attack Sung-controlled cities.

- "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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definitely a for sure. ill see and update if i get the answer