An oligarchy is best defined as what

How did the new working class of the industrial revolution differ from the working classes of the earlier, farm based economy?

Can someone me out with this , i'm putting 30 points on it

Question 4 which of the following is an example of libel? a. an anti-war supporter advocates overthrow of the government. b. a writer for the washington post maliciously prints false information about a lawyer c. a politician screams obscenities at a reporter on the air. d. a person sets up a flag burning demonstration.