This article examines the history of white supremacy in the British Empire and the United States, and how it has been used to contain Asian migration. It looks at the ways in which white supremacy has been used to create and maintain racial hierarchies, and how it has been used to restrict the movement of Asian people. It also examines the ways in which the British Empire and the United States have used white supremacy to create and maintain systems of racial segregation, and how this has impacted the lives of Asian migrants. The article argues that white supremacy has been used to maintain power and control, and has had a detrimental effect on the lives of Asian people.