In the half-century that has since elapsed, a fundamental shift of the international balance has taken place, with the sites of power spreading outward from Europe to the periphery. The governing seat vacated by the collapse of Britain has been taken — not without kicking and protesting against our fate — by this country. —"How We Entered World War I," Barbara Tuchman Which of the following statements best paraphrases the central idea of this paragraph? Group of answer choices Britain and the United States are the world’s two dominant powers. Britain was upset when the United States became an important world power. The United States replaced Britain as a leader in international affairs World power shifted from central Europe to bordering countries.