Answer:
Hindu and Buddhist kingdoms in South Asia faced a series of raids from Muslim armies from Central Asia Muhammad of Ghor created a Sunni Islamic kingdom of his own extending east of the Indus river, and he thus laid the foundation for the Muslim kingdom called the Delhi Sultanate.....
Explanation:
C) by avoiding close interaction with other nations
I believe the answer is last 50 years
Even though organized promotion of public health just started to gained international recognition in the last decades due to international conference done by who
the first organized promotion for public health already exist in 1946 since CDC was first established.