What is the author’s main purpose for presenting these events chronologically at the end of the chapter? to list effects of the first high-wheeled bicycle produced in the united states to show the progression of inventions that took place in the bicycling industry to explain how the bicycle gained such intense popularity among women to compare the inventions of different people from the same time period

Constructing an argument: in modern american society, the legalization of marijuana continues to be controversial and hotly debated. some people find it contradictory that certain "drugs"—such as tobacco and alcohol—are legalized even though they pose proven health risks, while marijuana, which has many medicinal applications, continues to be illegal by the federal government. what reasons do you think the federal government gives for outlawing marijuana, and do the reasons support the conclusion?