Before Germany invaded France in 1939, they were major trading partners. War is less likely now; see Stephen G Brooks, "Producing Security: Multinational Corpo

Before Germany invaded France in 1939, they were major trading partners. War is less likely now; see Stephen G Brooks, "Producing Security: Multinational Corporations, Globalization, & the Changing Calculus of Conflict", which claims the fact that no one country produces anything at all complicated any longer makes it almost impossible. In this view, it is the fact that manufacturing is transnational that prevents it, not trade in the traditional sense.