I need help no links

What is one way that the author makes a distinction between the first transcontinental railroad and the first transcontinental passenger flights in 1936

In figure 4 of the telephone components what do the labels lettered a to e

When the author quotes the actress sarah brown as saying, i truly believe that this film gives an important message to audiences, the author is using a) repetition. b) a testimonial. c) an ethical appeal. d) the bandwagon method.