Christian Methfessel and Florian Wagner Introduction Transimperial cooperation was the norm, rather than the exception in colonial history between the 1880s and 1914. European powers who conquered the world during this period were certainly rivals, but ultimately cooperated to uphold colonial domination and colonial rule. More importantly, the colonised did not respect imperial borders, and in crossing them, provoked transimperial reactions and coalitions. Anti-colonial movements, in particular, transgressed imperial borders to organise resistance. At the same time, anti-colonialists blamed Europeans for working together in organizing colonial domination and exploitation. Long before postcolonial theory exposed the uniformity of Western colonialism, the …