The United States of America (USA), commonly referred to as the United States (U.S.) or America, is a federal republic
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, the UK
Canada is a country, consisting of ten provinces and three territories, in the northern part of the continent of North America.
New Zealand is an island country in the southwestern Pacific Ocean. The country geographically comprises two main landmasses,
Poland, officially the Republic of Poland, is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south
Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in western-central Europe. It includes 16 constituent states
Switzerland, officially the Swiss Confederation, is a federal parliamentary republic consisting of 26 cantons, with Bern as the seat of the federal authorities
Australia, officially the Commonwealth of Australia, is an oceanian country comprising the mainland of the Australian continent, the island of Tasmania