Some say it was the Sumerians...
the Phoenician
By producing a useful alphabet which is the basis of today's.
They were sea traders, and were able to introduce their alphabet to the peoples they traded with around the Mediterranean Sea.
Their trading ships took it with them and the local peoples took it up.
The Phoenicians traded around the Mediterranean Sea, and spread their writing to the peoples there.
The Phoenicians were sea going traders, and traveled all around the Mediterranean. They were an advanced Civilization, and through their trade and contact with others they spread their knowledge and customs.
Traders took the alphabet with them to pass on to other people.
The Phoenician traders spread the alphabet through the Mediterranean Sea. It was taken up by the Greeks and adapted as their own alphabet, and they spread this to their own colonies.
The Phoenician alphabet originated prior to 1050 BCE, and it spread through trade and was borrowed by other peoples, particularly the Hebrews and the Greeks. It evolved in different ways because other languages had different phonologies.
Racial supiority of Anglo Saxons. they argued that the united states had a responsibility to spread Christianity and "civilization" to the world's "inferior peoples." This viewpoint narrowly defined "civilization" according to the standards of only one culture.
The ancient Phoenicians (Lebanon and Syria today) were carriers of civilization as they traded throughout the Mediterranean. They not only transported goods but also ideas on religion, medicine and writing systems. They are perhaps best known for spreading their alphabet, on which almost all modern phonetic alphabets are based.
There are few common factors in the spread of Buddhism and the spread the alphabet. Buddhism originated in a country where there was an established writing format (India) and spread to an area China) here there was an established form of writing. If the Latin alphabet as used to day is meant then Buddhism had noting to do with its spread as that alphabet was derived from Phoenician without contact to Sanskrit the original written format of writing in India.
The Phoenicians.