What encouraged progressives to fight for reform?

The main reason that encouraged Progressives to fight for reform was the perception of injustice in society. Progressives were worried about the ways in which many people lived. They were concerned about children not receiving an education and working in dangerous environments, poor people being marginalized, sick people dying for lack of medical care, etc. They believed it was the responsibility of government, as well as society at large to create better laws and institutions that would address all of these social problems.

the underground railroad (apocope of the metropolitan railroad) is a system of urban trains located within a city and its metropolitan area. it is characterized for being a massive transport of passengers in the big cities, uniting diverse zones and their environs, with high capacity and frequency and in segregated form to other systems of transport. metropolitan railroads are built underground or on the surface, although most systems use mixed models where sections are combined in both modalities.

1 - as a result, the metro tends to reduce car travel for two reasons: first, due to the greater transfer of users from the car and, second, due to the reduction in the acquisition of cars in homes located in sectors near the stations of the metro.

2 -the metro allows to contribute effectively to the achievement of all the objectives of an urban development policy: it improves the efficiency of the city's economy by reducing travel costs and also generates a higher level of activities in the city center, taking advantage of of the agglomeration economies.

3 -it is a clean means of transport, since it uses renewable energy (usually electricity), taking care of the environment and avoiding excessive pollution.

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism