The provided content appears to be a list of countries and territories, including their ISO 3166-1 alpha-2 codes (where applicable). The list includes:
* 50 US states and the District of Columbia
* 6 US territories
* Canada (10 provinces and 3 territories)
* Mexico
* 194 other countries
* 2 special territories (Bouvet Island and Heard and McDonald Islands)
* 1 unknown (Antarctica)
* 1 special region (Hong Kong, Special Administrative Region of China)
Note that some countries have multiple entries due to historical or current separations (e.g., United States Minor Outlying Islands, West Bank, and Occupied Palestinian Territory).