Industrialization improve life of many Americans by the advances in technology led to more conveniences and a higher standard of living for a growing middle class.
Answer: Option A
<u>Explanation:</u>
The industrialization in America led to the creation of a community popularly known as the working middle class. It was in this period production concept was followed i.e., production of goods in a mass scale.
A lot of goods were produced in a mass scale, popularly through the conveyor belt system. A lot of goods were available at minimum price, through which a lot of working class people were able to afford them. These goods provided a high standard of living for the growing middle class.
Answer: When the author said "the cause of America" is "the cause of all mankind, he is referring to the worldwide plight of people under oppressive government and all of those individuals are struggling against them, the struggle for the cause of America is a symbolic statement for the struggle for the cause of humanity worldwide wherever the same kind of circumstances are found.
<span>flood control
military</span>
