Answer:
The 19th century saw large amounts of social change; slavery was abolished, and the First and Second Industrial Revolutions (which also overlap with the 18th and 20th centuries, respectively) led to massive urbanization and much higher levels of productivity, profit and prosperity.
Explanation:
The reason is to help social people anb he is a seceraty it that simple:-)
To create suspense, writers must reveal details gradually so readers want more. -answer
For more obvious reasons, drug abuse is more common with family members who abuse drugs due to the fact that drugs are far more accessible. Also notably, the family member(s) are most likely affiliated with others who are drug abusers.