Answer :
C.) To inform readers about one reason why cycling was controversial in the 1800s.
What is reason?
The term "reason" means a fact or situation which explains why it happens or what causes it to happen.
What is cycling?
The term "cycling" means an act or sport of riding or traveling by bicycle, motorcycle, etc.
What is controversial?
The term "controversial" if used for anyone, it means that they are the subject of intense public argument, disagreement, or disapproval.
As, it shows the past controversy which was upon cycling in the 1800s, it's risks, consequences, and changes.
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