C.) reduce his food expenditure like maybe not go to the most expensive restaurant to go eat.
The commonwealth of Nations is an organisation uniting the former members of the British Empire: so the answer is: the British Empire.
Some, but not all (16 out of 50) of the countries of the Commonwealth recognize Queen Elisabeth II as their monarch.
A process that goes on throughout ones life learning values and norms of that culture.
Communication, values, manners/courtesies.
This is in the sociological aspect... not sure if that’s the one you want.
It’s b) get recovery sleep