What made crack so dangerous, and so easy to
spread?

The reasons for these increases in crime were mostly because distribution of the drug to the end-user occurred mainly in low-income inner city neighborhoods. ... Crack cocaine use and distribution became popular in cities that were in a state of social and economic chaos such as New York, Los Angeles and Atlanta.

Explanation:

Got a B+ on this

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.

answer; i believe the correct answer is ( quakers);