A. The Commonwealth is an association of countries, most of which were once part of the British Empire, though a few counties that were not in the Empire have also joined it
B. The Commonwealth Countries: Antiqua and Barbuda, Australia, The Bahamas, Bangladesh, Barbados, Belize, Botswana, Brunei Darussalam, Cameroon, Canada, Cyprus, Dominica, Fiji Islands, The Gambia, Ghana, Grenada, Guyana, India, Jamaica, Kenya, Kiribati, Lesotho, Malawi, Malaysia, Maldives, Malta, Mauritius, Mozambique, Namibia, Nauru, New Zealand, Nigeria, Pakistan, Papua New Guinea, St Kitts and Nevis, St Lucia, St Vincent and the Grenadines, Samoa, Seychelles, Sierra Leone, Singapore, Solomon islands, South Africa, Sri Lanka, Swaziland, Tonga, Trinidad and Tobago, Tuvalu, Uganda, united Kingdom, United Republic of Tanzania, Vanuatu, Zambia
(Source: 2nd Edition, Life in the United Kingdom)