Rhetorical Strategy in Community Speech

In the following excerpt from a speech aimed at encouraging community involvement, the speaker employs a rhetorical strategy to stress the importance of collective action:

'Together, we can build a brighter future, but that requires each of us to lend a hand and participate in the efforts that will uplift our community. We cannot stand idly by, for the strength of our home lies in our unity.'

Based on this excerpt, which rhetorical strategy is primarily being employed by the speaker?