Read the following excerpt from a political speech delivered during a campaign rally:
"Today, we stand at a crossroads. As our country faces unprecedented challenges, it is our duty to unite, to affirm our shared values, and to embrace a vision for a brighter future. We must reject division, for it weakens us, and instead build a community where every voice matters, where hope triumphs over fear, and where progress is defined not by the few, but by the many. Together, we can ensure that our kids inherit a world full of possibilities, not fears."
Considering the context and audience of this speech, what is the primary purpose of the speaker's rhetoric?