Religion
Ekynxnen
water pollution soil degradation
The map of Europe changed radically after the First World War according to the Treaty of Versailles (e.g. Hungary was separated from Austria, new countries were born: Yugoslavia, Czechoslovakia, a lot bigger Romania, etc.).
The impact that liberalism had on 19th century Europe was quite varied. This is what caused the development of neo-classic and free market among others.
Venetian inspired assault on Constantinople
The Industrial Revolution.
The ability to do as one thought or wished is what caused the scientific revolution and enlightenment in the 17th and 18th century in Europe.
Ownership caused confusion between Europe and Asia.
Language barriers will cause a divide anywhere. Eastern Europe is mainly composed of Slavic languages while Western Europe is mainly composed of Romance and Germanic languages. Language barriers will cause the inability to communicate.
all of the different christian religions along with catholic moved apart.
speculation on the Dutch tulip market
There were several factors that caused disunity during the Middle Ages. These include political fragmentation, religious conflicts (such as the Great Schism), feudal system disputes, and the rise of competing power centers like city-states and monarchies. Additionally, the Black Death and economic difficulties resulted in further disunity and social unrest.