An American perspective on the late great Sir Clive Sinclair, from Fast Company

[Jecel Assumpcao Jr]

While the American public were very ignorant of Sinclair's achievements,
the US home computer makers were very worried about them. In 1983 both
Commodore and Texas Instruments were working on their "ZX81 killers".

https://www.99er.net/992.html

https://en.wikipedia.org/wiki/Commodore_16

-- Jecel