Mark is most likely to be engaging in frotteurism. This is a disorder characterized by deriving pleasure or gratification through rubbing, often the genitalia, against another non-consenting person. An individual who's engaged in frotteurism may rub against the clothes or sheer body parts of another person, this usually happens in a crowded area.
Declaration of Independence
The most important goal of a speaker's opening lines is to first and foremost, catch the audience's attention. A speaker is not a speaker without an audience and it is his role to garner the attention in order to deliver his speech well. There are numerous techniques to do this, such as starting with a quote for example.
Two options are very likely here: the impact of Herndon was biggest through his involvement in Niagara Movement, and through sharins his wealth with the community. The latter however had more impact, and A is the best answer.
