text: Ulster-Scots emigrated in significant numbers to the United States and all corners of the then-worldwide British Empire â '' Canada , Australia , New Zealand , South Africa â '' and to a lesser extent to Argentina and Chile in South America .
simplified: Ulster-Scots emigrated in significant numbers to the United States and all corners of the British Empire â '' Canada , Australia , New Zealand , South Africa â '' and to a lesser extent to Argentina and Chile in South America .