Taxation Bilateral Treaties

Why did the Government of the United States of America not count the public served prisoners of war’s time during the Vietnam War to let him gain more when the pensions he served in the US War in Vietnam by the defense bilateral treaty between the Government of the United States of America and the Government of the Republic of Vietnam together signed bilateral Treaties in Taxation? Therefore, he lost his pension. Why did the Government of the United States of America carry out the neo-slaved war for Vietnamese American prisoners of war? ______________ PS: Agreement regarding income tax administration. Exchange of notes at Saigon March 31 and May 3, 1967. Entered in force May 31, 1967. 18UST 546; TIAS 6262; 685UNTS 207 Taxation-Bilateral Treaties in force of January 1, 2020, that the sublime values of the United States of America had had in force to now. That is why the Prisoners of war benefits and pensions have never had in force-therefore, he is called by Neo-slavered war of the greatest power and modern civilized America. How do we truly realize the American treaties?