First actions like the Treaty of Wanghia with China and the Treaty of Kanagawa with Japan marked the turnaround of the nation's policy to stay away from other countries' affairs.
George Washington's famous words "avoidance of entangling alliances" were forgotten. More than one hundred years after Washington's presidency, a Civil War, and issues and wars with Britain and other European powers, the United States finally had fixed major issues within the country e.g. the controversies between the North and the South, and were eventually strong enough as a nation to intervene in foreign affairs.
Theodore Roosevelt who took over presidency in 1901 achieved major accomplishments for the U.S. by developing a strong foreign policy that differed from the policies of other world powers, and using the potential that the country had, to make it stronger than it ever was. Although criticizers accused Roosevelt of imperialism, the only purpose of the Alaskan Boundary Dispute, Roosevelt Corollary, and Panama Canal was to turn the United States – not into a colonialist – but into the dominant power in its hemisphere. Before Roosevelt was able to show his capabilities in foreign affairs, he made himself known as the "trustbuster," supported the environmental protection, and drew up the so-called "square deal" which helped him to get reelected in 1904 and made him generally very popular.
However his foreign policy was of a more aggressive nature. Thefirst opportunity in which he could prove himself as a capable leader of a becoming world power was in the Alaskan Boundary Dispute. The British who wanted a proper boundary between lower Alaska and Canada initiated the discussion. When in 1898 gold was found in both Canada and Alaska, the Canadian government's interest roused immediately. In order to get the land where the gold fields were the Canadians checked the Anglo-Saxon-Treaty o…