"They promised bills and laws in favor of immigrants in exchange for votes" is the one way among the following choices given in the question that political machines, such as Tammany Hall, work with and for immigrants.
Answer:
I think the demand for that specific produce
Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
The answer is false, Conservative ideals are more on the traditional side.