Please study HOW religions's followings changed , between years 600 AD to 1800 AB and from 1800AD to now in Bengal (WB + BD), Burma, Thailand, Malaysia, Indonesia, Vietnam, Camboadia, Phillipines (24-Jun-2015) No.3

June 24, 2015

https://www.facebook.com/mehtarahulc/posts/10152866654836922

Please study HOW religions's followings changed , between years 600 AD to 1800 AB and from 1800AD to now in Bengal (WB + BD), Burma, Thailand, Malaysia, Indonesia, Vietnam, Camboadia, Phillipines 
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In area from Iraq to Pakistan, the change in religions' following came mainly due to armis of Arabs , Moguls etc. 
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But no such army ever reached Malaysia , Indonesia etc . So which factirs brought change there.
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Change in number of followers of "religions" is important for study for administration. Because major change comes due to administrative / legal reasons ONLY