There are 4 main ideologies.
Parlamentarism is like democracy, it works the same way and the concept is similar, basically the same.
EDIT : Liberalism is like an oligarchy, full capitalists, free market.
Industrialism appears when the Industrial Revolution. Many people wants to improve the world by building factories, a lot of them, and machines that would improve the way of living.
But the humanist dislike that, as they want to keep the human concept above everything, like fighting against this new modern world full of factories and machines.
They want to improve the world by making better laws and better ethics.
For now, humanism works like communism despite being the opposite in theory, and industrialism works like fascism.
After the Great War, France, the Benelux and Germany decided to unite as one country, Europe. But the germans couldn't do anything about that, and now there is a lot of german opposition in Europe lowering the stability.
The Austro-Hungarian empire got divided in multiple states, but Hungary became an important political and economical powerhouse in the balkans. Serbs, bulgarians and croats united as one slavic country, the Balkan Union.
In the USA, the great drepression made this country to split in three. Need to improve the history.
Chinese warlords got united too, and Japan lost a war against them which ended in a draw with Japan only taking some ports and Korea stills being free.
Tibet managed too get some chinese territories and Mongolia wants to restore the Khanate.
Japan soon will pay the chinese back, but the thing is Britain.
Britain, aka Britannia, is the place where industrialism is born, All the commonwealth members adopted this ideology, and they will develop faster than the rest.
Bolivia and Brasil, aka Brasilia, set a pact to divide Paraguay and Paraguay and Brasil set a pact too to get some land from Argentina.
The Central American Union exists, and Peru lost the war against Ecuador and Colombia.
The Ottoman empire got divided in Turkey and Arabia by the British Arabian Corridor.