Answer: the answer is B.
Explanation: he told the russians that the coup was bad.
Modern Europe is more likley during High Middle AGes decnetralised with open borders and free market wioth limited central fgovernment in 17 century Europe was domianted by absolutist moanrchies centralised often with control over various nations with mercantilistc economic system.
The romans used D) aqueducts
Concurring opinion is when one or more agree
unanimous opinion is when means almost everyone (or everyone) agrees
i.e:
you have to get a box into the house
out of 5 people, 1 person thinks you should hire someone to do it; that's a concurring opinion
out of 5 people, all 5 think you should just carry it into your house, that's a unanimous opinion