When did they stop using asbestos in popcorn ceilings.

In 1977

Explanation:

In 1977, the U.S. Government banned the use of asbestos in ceiling finishes, and most ceilings installed after this date will not contain asbestos.

very, very complex question. and (and hi btw). this war lasted from 1861 to 1865. it was between the north and the south. it began as a result of the long-standing controversy over the enslavement of african american people. it broke out when secessionist forces attacked fort sumter in south carolina when after abraham lincoln had been inaugurated as the president of the united states.

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