Language islands often form as a result of migration, colonization, imperialism, or trade without a common tongue.
Language islands are common of indigenous peoples, especially in the Americas, where colonization has led them to isolate themselves greatly.
Despite it still being mutually intelligible with European Welsh, it has been heavily influenced by Spanish, the national language of Argentina.
Education reports by English education officials created racist propaganda to raise suspicions against the Welsh people;[3] this led to laws prohibiting the Welsh language and parts of its culture.
[4] It is result of Italian settlers, most of them from Veneto, taking permanent stay along the Brazilian coast, although some of them migrated further into the continent.