What countries fought against each other during World War 1?

Answer 1

The Central Powers in WWI consisted of Austria-Hungary, Bulgaria, the German Empire and the Ottoman Empire.

The Entente, Triple Entente or Allied Powers had as their major members: the Russian Empire, France, Italy, the US and the British Empire.

Norway remained neutral throughout WWI.

Answer 2

Japan vs America and Britain

Germany vs Russia and maybe Britain and America too

Answer 3

Germany, Bulgaria, Turkey, and Austria-Hungary

Answer 4

Germany, Canada, Belgium, France, Britain, eventually the United States, and others.

Answer 5

The Central Powers consisted of Germany, Austria-Hungary, Bulgaria and the Ottoman Empire.

Answer 6

Weiners