Your title depends on what your text and reasons are specifically about and what the information you are given is, however I would choose whichever one fits your information the best. However, they all are talking about bicycles. I would most likely choose the health benefits of bicycling.
What she means is that she had made 19 trips to Maryland, helped 300 people to freedom, yet she was never captured and didn’t fail to deliver her "passengers" to safety. As Tubman herself said, "On my Underground Railroad I [never] run my train off [the] track [and] I never [lost] a passenger." During these journeys she helped rescue people that were from her own family and people who weren’t from her own family. You can check her story in the America Library.
In George Orwell's book "Animal Farm", Napoleon is represented as a scary and intimidating pig, who controls the other animals through fear and propaganda. In the book, the first descriptions of him were "fierce-looking" boar "with a reputation for getting his own way." as well. Napoleon was also a metaphor for Joseph Stalin, so the animals on Animal Farm see Napoleon the same way people saw Stalin. For example, both Stalin and Napoleon surrounded themselves with guards, they were cruel, and wanted power and were willing to use any means necessary to get it.
Problems state-side, claiming sites overseas. dminishing reliance on foreign oil.