No change - its America.
No country in South America speaks welsh, however there may be a few welsh speakers living or visiting South America. Welsh is spoken in Britain.
The same as in English: America.
They came to America in the 1802's.
Yes there are areas of the US that still have some that speak welsh. There were / are some Indian tribes that also spoke the language following the Welsh arriving on the US shores.
Argentina is usually viewed as the country with the largest Welsh contingent - particularly in the Patagonia region.
Welsh is the adjectival form of the country of Wales, just as Americans is the adjectival form of the word America. Welsh is also used as an identifying noun. Examples below: Adjective: The Welsh school boy wrote a poem about his mother. Noun: The Welsh are a proud people and love their home country of Wales.
Benjamin Franklin Bowen has written: 'America discovered by the Welsh in 1170 A. D' -- subject(s): Welsh, Discovery and exploration 'America discovered by the Welsh in 1170 A.D' -- subject(s): Welsh, Discovery and exploration, History
Welsh people moved to America for various reasons, including economic opportunities, religious freedom, and escaping political persecution. Many sought a better life and employment prospects in the New World, while others were drawn by the promise of owning land and starting afresh. Additionally, some Welsh immigrants were influenced by family ties and connections already established in America.
Madoc (Standard Welsh: Madog) ab Owain Gwynedd
There was a Welsh settlement in 1617 in Renews, Newfoundland, Canada. A Welsh colony was set up in Cambria, Pennsylvania in 1856. Some Welsh settlers came to Malad Valley, Idaho in the 1860s. Many of the Welsh were miners. Some came to the coal fields of Mechanicsville outside of Knoxville, Tennessee to work in an iron works. Some Welsh came to Wisconsin in the Waukesha area.US presidents with Welsh heritage include John Adams, Thomas Jefferson, John Quincy Adams, James Garfield, Calvin Coolidge, Richard Nixon, and Barack Obama.http://recollectionwisconsin.org/welsh-in-wisconsin
I know for a fact that people in Wales are called Welsh.
"You are Welsh" = Rwyt ti'n Gymreig