Rhetorical Strategies in Social Justice Speech

In the following excerpt from a speech on social justice, the speaker uses a variety of rhetorical strategies to emphasize the need for systemic change:

“We live in a world where inequality is not just an occurrence, but a fixture in our systems. Every day, thousands are marginalized, not because of their actions, but due to the circumstances of their birth. This is not merely a failure of individuals; it is a failure of our institutions—a collective negligence that demands our immediate attention and action.”

Which rhetorical strategy does the speaker primarily employ to underscore the urgency of the situation?