Assuming thats a true or false question, it's true
A mercenary is an individual who isn't really loyal to any nation, and instead fights in the armies of whoever pays him well.
I could be wrong, but I am pretty sure that the answer is: D, pollution.
A Hindu wanting to work on a spiritual awareness might decide to stop looking for outward solution to gain spiritual awareness, instead, he will focus on understanding his own mind through meditation. He might also decide to set up a shrine, go to a temple, meditate, etc.
Jewish religion got a foothold after the conquest of the land around Jerusalem.
Explanation:
The Jews of the old had to travel far and wide in search of a land where they could live and had to turn from or flee from many great empires that were persecuting them for their religion.
This ended with the conquest of and settlement of the region of Jerusalem where the Jews finally found a home they could call their own and established their society there.
The land was to house Jews for the next 2 millennium and still continues to do so as it is called the holy land.