Something that efficiently functions as a medium of exchange, store of value, and unit of account, is considered.

I think money but not sure thats what your looking for

A) Money>>>>>>>>>>>>>>

the answer is lower nubia. plz mark brainliest i am trying to improve rank.

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his