industrial expansion and population growth radically changed the face of the nation's cities.noise,traffic jams,slums,air pollution,and sanitation and health problems became commonplace.mass transit ,in the form of trolleys ,cable cars,and subways,was built ,and skyscrapers began to dominate city skylines.
Hello! The correct answer is:

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To "persuade" means to convince someone to do something by arguing or reasoning with them. A persuasive speech is a type of speech in which the speaker tries to convince the audience to believe what they believe. The speaker cannot force his or her opinion on others. However, they can use certain words or express their opinion in such a way that hopefully causes others to accept their point of view.
A dependent clause is a clause that cannot stand on its own and make sense which is why it requires an independent clause to give it meaning.
Answer:
true
Explanation:
the correct answer would likely be true considering that many sites used for references and information are free to use