Amateurs talk strategy; professionals talk logistics. Billions of dollars move through these workers’ hands each day, and almost none of it can be outsourced. By organizing at Amazon and linking up with local Teamsters, you could shut down the whole supply chain, the argument goes. That gets politicians’ attention fast.

Teachers’ strikes don’t just stop schools. They stop cities. When teachers walk out, bus drivers, support staff, and parents get pulled into the fight. You’ll also get to teach students what actually caused the Civil War, which is its own reward.