Following Trump's re-election, some women are bringing South Korea's 4B movement to the U.S. as a form of political protest.

Driven by gender inequality, sexism, and a backlash against male privilege, the movement reflects a growing global trend of resisting patriarchal norms.

The radical feminist 4B movement took root in a culture where women face domestic violence and insidious spy-cam sexploitation, as well as the "double burden" of work and family.