2.An introduction must accomplish 3 goals. What are they?

a.
b. Gives the context of the story
c. Must grab the reader's attention!

a. Introduce the topic or subject of the writing

b. Provide background information or setting
c. Engage the reader and spark their interest in continuing to read

there can only be one

In that case, the single most important goal of an introduction is to grab the reader's attention.