I believe the one that is typically included in the introductory section of an expository essay is : a. evidence and facts. Evidence and facts will grab the attention of your reader and will build up to arouse their interest upon your thesis statement. hope this helps.
hope it helps
I hate when I get annoying calls from telemarketers trying to sell me crazy things.
holmell amoa thiam ypredo prenoq eesque co esilos unt ospt(: