The state and Local governments responded positively to the expansion of railroads.
These governments used the presence of the railroads in their regions as a way to promote trade and transportation in the areas. They helped by granting lands to railroad companies.
The railroads contributed to development by bringing in much settlers to the area and also opening it up to trade.
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The answers are 3. Mechanical union and 4. Industrial union
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The best answer here is b. political parties: they are groups of citizens (anyone can join) who seek to be part of the government.
Other options:
Democtrats are an example of a political party
Special interest group is a bit similar in that it unites people with the same interest, but they do not seek power in the government, but rather some advantages, for example a specific law.
Answer The Boston Massacre was a confrontation on March 5, 1770, in which British soldiers shot and killed several people while being harassed by a mob in Boston. The event was heavily publicized by leading Patriots such as Paul Revere and Samuel Adams.
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Lack of government agents to control illegal liquor-related crimes & people opposing prohibition who did little to help authorities