(1) Creation of a network of railways to promote nationalism
(2) Opposition to unhindered movement of goods, people and capital in member states
(3) Reduction of tariff barriers in states
(4) Reduction of number of currencies in Germany

(1) It was created after a long-drawn-out wars and political struggle
(2) It became a nation-state after forcing Scotland, Wales and Ireland to submit to it.
(3) It was not the result of a sudden upheaval or revolution, but the result of a long-drawn-out process.
(4) All the above

(1) Fascism
(2) Conservatism
(3) Nazism
(4) Communism