Sentence:  The ultimate objective of American policy is to help establish a world in which there is the largest possible measure of freedom and justice and peace and material prosperity ; and in particular - since this is our special responsibility - that these conditions be enjoyed by the people of the <WSD>United</WSD> States . 
Meaning of the word marked with <WSD> tags:  North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776