Describe some positive and negative ways the global economy affects workers

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

Consider these text features from chapter 1 of wheels of change by sue macy. as the demand for bicycles grew in the 1890s, so did the demand for accessories—such as bells, locks, and lamps—and repairs. this photograph shows the joseph h. ferodowill bicycle repair shop in st. paul, minnesota, in 1899. this photo and caption enhance the book’s information about .

What are all of the literally devices in the poem l’envoi by willa cather