Simplify the following text for a Grade 6 native English-speaking person.
Original: Daewoo rapidly expanded their distribution network with the inception of new models , which made the Leganza present in the markets of most countries , albeit not necessarily with sales success . Daewoo placed special emphasis on developing markets , which involved the assembly of Leganzas in countries like Poland , Romania , Russia and Uzbekistan , in plants owned by Daewoo or under license agreements .
Simplified: The Daewoo Leganza is a automobile produced by GM Daewoo .