The murder of Leo Frank was an example of what?

was an American factory superintendent who was convicted in 1913 of the murder of a 13-year-old employe.A Jewish man in Atlanta was placed on trial and convicted of raping and murdering a thirteen-year-old girl who worked for the National Pencil Company, which he managed. Before the lynching of Frank two years later, the case became known throughout the nation.

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.