<prompt> Translate the following text to EnglishNATO ilikubali Poland, Hungary na Jamhuri ya Czech, na Marekani iliwafanya washirika wake waangalie uamuzi huo wa Romania na Slovenia.  <response>: More NATO formally admitted Poland, Hungary, and the Czech Republic . The United States successfully pressured its allies to postpone a similar decision on Romania and Slovenia until 1999. 