>> reporter: apathy. none of these women have felt the need to be political before. donald trump is not the only reason for this cross-country trek they say, but he is the spark. >> we don't know what else to do at this point. the vote doesn't count. the popular vote doesn't count. we have to show up in person. >> we're not sitting behind your computers. we're going to be physically there. we'll make them listen. >> we have to. >> reporter: why not do the protest in l.a.? >> i want to be part of getting out of that bubble and letting this administration know we're not okay with the choices or the rhetoric they've been saying. >> reporter: if 50,000 or more turn out they'll match the women's strike for equality in 1970. that march began as a labor protest. it sparked a new women's movement followed by years of progress in workplace gender equality and sexual harassment. these marchers have a wide variety of causes from climate change to reproductive rights to racial equality. >> one thing i've heard about the women's march, too many