Language secessionism countries, even if Lusophone support is expected to be strong in any of the first three cases. A point often held by minorities among both Reintegrationists/Lusists and Lusophonists is that Portuguese should have a more conservative and uniform international speech standard that at the same time respected minor phonological differences between its variants (such as a complete free choice of the various allophones of the rhotic consonant , for or for the voiceless allophone of ) that would further strength Lusophone integration (while sung European Portuguese is comprehensible to untrained Brazilians, this is not the case for even the media
Proto-Indo-European language concerning PIE since there is no written record of the language. PIE is estimated to have been spoken as a single language from 4500 BC to 2500 BC during the Late Neolithic to Early Bronze Age, though estimates vary by more than a thousand years. According to the prevailing Kurgan hypothesis, the original homeland of the Proto-Indo-Europeans may have been in the Pontic–Caspian steppe of Eastern Europe. The linguistic reconstruction of PIE has also provided insight into the culture and religion of its speakers. As Proto-Indo-Europeans became isolated from each other through the Indo-European migrations, the Proto-Indo-European language became spoken