The "Commonwealth of Two Nations" refers to a political and economic union between two countries that share historical ties, cultural similarities, and mutual interests. This arrangement often promotes cooperation in areas such as trade, defense, and diplomacy, enhancing the relationship between the nations involved. One notable example is the United Kingdom and Canada, which maintain strong connections through shared language, legal systems, and institutions. The Commonwealth framework allows these nations to collaborate on global issues while respecting their sovereignty and individual governance.