I visited Yellowstone National Park last summer.

I visited Yosemite National Park last summer.

The gross national product of the country has been steadily increasing over the past decade.

The United States is a nation-state with a diverse population.

The United Nations is an international organization founded in 1945.

The League of Nations was established in 1919 and dissolved in 1946.

Black nationalism is a political and social movement advocating for the rights and empowerment of black people.

The comity of nations is essential for maintaining peace and cooperation.

The British Commonwealth of Nations consists of the United Kingdom, its territories, and the independent countries that were once part of the British Empire.