Achievements spread Through Trade
Their accomplishments is earliest known system of writing.
what!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Islam spread to libya by other countries
Not very much thank goodness :-)
Buddhists are present in most all countries of the world.
it started in india and spread to other countries around the world
Since they were sea traders they traded with many other countries, and they exchanged ideas. In addition they spread their culture through conquering other countries
The British Empire
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One main Indian innovation that is used throughout the world is the number zero. Indian mathematicians were the first to recognise and use zero as a real number. About 500BCE Indian scholar Pingala used the sanskrit word śūnya to represent zero. In 498CE Aryabhata developed a ten digit decimal notation system that is the basis of our 0,1,2,3,4,5,6,7,8,9, system today.
they spread budhism