Answer:
early 1980s United Kingdom and United States
Step-by-step explanation:
The origins of alternative rock can be traced back to The Velvet Underground & Nico (1967) by the Velvet Underground, which influenced many alternative rock bands that would come after it. Eccentric and quirky figures of the 1960s, such as Syd Barrett have influence on alternative rock in general.
the style it came from was Punk, Post-punk, Hardcore