What was an effect of popular migration during the industrial revolution a- increase in literacy b- growth of cities c- decreases in agriculture d- reduction of imports

B Because during this time factories were being built,so they could start making factories.Think about your northern states they needed steel from the factories so they could make steel to build skyscrapers.

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Explanation:

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answer

the statement that best describes president carter’s attempt to free the hostages in iran is c. all of the attempts failed.

explanation

the operation eagle claw conducted by the united states armed forces was a failed mission which aimed to rescue 52 americans captured as hostages in the american embassy, tehran on 24/4/1980.the mission was authorized by president jimmy carter. the failures included;   obstacles in operation that included operational conditions challenges caused by sandstorms, hydraulic problems of one the helicopters and , mechanical failure of another helicopter that was identified as a cracked rotor blade and the crashing of another helicopter during mission abortion causing death of 8 service persons.

i believe it is the second one.   if correct plz mark brainliest.