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many believe that Mongols did. Rats and fleas carried the virus that devistated a third of Europe.
Alexander the Great bulit an empire to help spread greek ideas. Have fun.
although there empire cause much destruction the mongols set up an entirely new trade system that led to an economic boom that brought europ out of the dark ages.
they spread seeds
The Roman Empire made Christianity the official religion of the Empire, and 'encouraged' the peoples it conquered to convert.
Greek culture within the Persian Empire when he took it over.
Animals like bees helps flowers spread their seeds to different places.
Paper Money was first created by the Chinese around 600 AD. When the Mongols invaded, it was still there. So, Mongol traders spread it around the world while trading themselves. Hope it was a help!
Gengis Kahn conquered an extremely large empire. He built roads connecting his empire. It was safe for an unaccompanied girl to walk from one end of his empire to the other. Traders could load their camels with silks in China and carry them over the silk road to Venice in Italy. Books from one place can only move from one place to another when conditions are safe. Gengis Kahn also established freedom of religion. No one could persecute anyone else for religious reasons. Thus, ideas were free to spread. Censorship could not prevent the spread of knowledge.
Bees and other animals help to spread pollen to fertilize other plants.
Paper Money was first created by the Chinese around 600 AD. When the Mongols invaded, it was still there. So, Mongol traders spread it around the world while trading themselves. Hope it was a help!
More ways than this, but we help them spread their seeds further.