Read the excerpt from "My First March.” "Hey, Mama?” I asked. "How can all these buses be going to the same place we’re going? I’ve never seen a building that could hold this many people.” "Well, we’re not going to a building,” Mama said. "We’re going to a march today. That means we’ll be walking through the streets all over our nation’s capital.” Now read the excerpt from "2000 Buses.” Two thousand buses, Twenty-one chartered trains, Ten special airlines, More cars than one could name A mass meeting they called it, The March for Jobs and Freedom Equal access, Equal justice, For all, and not just some What event do both excerpts describe?