In response, Martin and Quick argue that we need a more expansive concept of trade unionism – one rooted in solidarity with the whole working class, “expanding the bargaining unit” out beyond the workplace to the communities and citizens who are also being exploited by finance capital. Care workers should make common cause with those they care for and their families; railway workers should organise with passengers; energy workers should ally with energy consumers and local residents. They cite inspiring examples of unions and social movements organising around rent and debt – from the Chicago teachers demanding affordable housing to the El Barzón movement, campaigning for debtors in Mexico.