operating system | Canton | Super Nintendo Entertainment System | Nintendo Entertainment System | canton | Android (operating system) | Global Positioning System | Solar System | X Window System | Canton, Ohio | Korean Broadcasting System | System of a Down | Domain Name System | Seoul Broadcasting System | North Carolina Community College System | Mutual Broadcasting System | Bulletin board system | system | Canton of Jura | Turner Broadcasting System | Program and System Information Protocol | Geographic information system | Ubuntu (operating system) | Tokyo Broadcasting System | Federal Reserve System | Canton of Uri | Youth system | Embedded system | Canton of Bern | solar system |
It was a critical time when Chinese trade with the outside world was allowed only through the Canton System, with all foreigners confined to Guangzhou (Canton), the capital of Guangdong.