Answer:
When people put their money in the bank to save it other people can borrow that money. As they pay it back you won't loose money and the bank will earn in interest. So as long as people are putting their money into the bank others will be able to borrow when tight on money. This is similar to herd immunity because as long as a greater number are doing it the minority that can't will be protected.
The answer would be B, as symbols can have different meanings based on culture and interpretation. Have a nice day! :)
I uploaded the answers on the other thing that you posted
