The best response for explaining how the Vietnam War and the struggle for women’s rights both provide a deeper understanding of history is:
They both were part of global movements that affected many around the world.
This response highlights how both events were significant not only in a national context (for the United States and Vietnam, respectively) but also as parts of larger global movements that influenced and interacted with social, political, and cultural changes across the globe. The Vietnam War was tied to anti-colonialism and Cold War dynamics, while the women's rights movement connected to broader struggles for civil rights and social justice, affecting many societies worldwide.