TY - GEN T1 - The fourth power a grand strategy for the United States in the twenty-first century A1 - Hart, Gary, 1936- LA - English PP - New York PB - Oxford University Press YR - 2004 UL - https://colectivo.uloyola.es/Record/ELB166199 OP - 187 CN - E895 .H37 2004 SN - 9780195346497 KW - National security : United States. KW - World politics : 1989- KW - United States : Foreign relations : 2001-2009. KW - United States : Military policy. KW - United States : Politics and government : 2001-2009. KW - Electronic books. ER -