How did hinduism, buddhism, and islam become established in southeast asia?
a. indian traders, missionaries, and other settlers brought these religions to the area
b. chinese traders, missionaries, and other settlers brought these religions to the area
c. arab traders, missionaries, and other settlers brought these religions to the area
d. southeast asian traders, missionaries, and other settlers brought these religions to the area

The correct answer for above statement is:

D. Southeast Asian traders, missionaries, and other settlers brought these religions to the area

Explanation:

Hinduism and Buddhism originated in India an advanced west to China overtime with passengers who spoke out their ideas. Islam was originated in Saudi Arabia and developed south and south-west to North Africa and North West India, they remained dispersed the same way, but in Saudi Arabia, they had editors who would write down Muhammad's instructions and developed through reading.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).