<prompt> Translate the following text to SwahiliFelipe IIs royal decree was based entirely on the idea being that Madrid, smack in the center of Iberia, would promote centralized authority over regional power bases in a newly unified Spain.  <response>: Amri ya kifalme ya Felipe II ilitegemea kabisa wazo kwamba Madrid, katikati ya Iberia, ingeendeleza mamlaka ya kati juu ya misingi ya nguvu ya kikanda katika Hispania mpya iliyounganishwa. 