Independent Clauses Emphasize Claims
Since the program lowers the crime rate by giving free heroin to the addicts, it won’t help them end their addiction.
While the program doesn’t help addicts end their addiction, it reduces the crime rates in the city by providing the addicts free heroin in the cleanest way possible.
Dependent Clauses Minimize Objections
While the addicts will unfortunately remain dependent on heroin, the city will have the opportunity to thrive.
Although this program might save the city, the addicts will still be dependent on heroin.