How were the commision plan, council manager system, and the direct primary suppose to weakend and combat the strength of political machines plz help

Each expert takes charge of a different city department. By 1917, about 500 cities had commission forms of city government. ... They improved cities without changing their system of government. They put in such reforms as fairer tax systems and lower public transportation fares.

Explanation:

answer; i believe the correct answer is (favorable balance);

the graphs indicate that few people in bolivia work in industry, as that is the least expressive sector shown in the respective graphic.