This unit interrogates the idea of a globalised world by showing how inequalities in access to material wealth and expectations of lifestyle, which have been created historically between the US and Mexico, produces border tensions as Mexicans seek entry to the US to do jobs that resident American citizens will not undertake for the wages offered. It is particularly relevant currently in the context of debates about free trade and movement of workforce to where they could find work, and that many developed economies in particular at the moment are reliant on immigrant labour to work in areas in which their own citizens will not.