Se asia religious diversity

country: major religion: percentage of population:
cambodia buddhism 98%
indonesia islam 87%
laos buddhism 61%
philippines christianity 92%
vietnam traditional 46%

"visakah puja" is a major religious festival. it celebrates the birth, enlightenment, and death of siddhartha gautama, and takes place on the first full moon day in may.

this holiday would be most likely to be celebrated in which country?
a) indonesia
b) laos
c) philippines
d) vietnam