Final answer:
Kelley needs to build a call to action with context to better engage the audience. Context links new material to known ideas, enhancing understanding and ownership. This method makes the argument more convincing and memorable.
Step-by-step explanation:
The student's question 'Why does Kelley need to build to this call of action?' is asking about the importance of context in building an argument or persuading an audience. Kelley must build to this call of action by providing context so that the audience can better engage with the material. Context helps in bridging gaps between the new information being presented and what the audience already knows or remembers, which in turn helps them to understand and own the material more effectively.
By starting with familiar concepts and incrementally introducing new ideas or arguments, Kelley can create a more convincing and memorable case. This method of building understanding piece by piece allows the audience to follow the reasoning and become more invested in the final call to action.