What caused the worldwide depression that took place in the 1930s? Service providers and factory workers went on a prolonged strike.

Nations entered trade disputes over tariffs and trade balances.

Consumers purchased too much on credit and were unable to pay back their debts.

Military spending increased and required greater government expenditures.

Consumers purchased too much on credit and were unable to pay back their debts.

- "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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offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering