It happened in 1828 . i hope i am right and hope this helps
Answer:
Right choices are:
A. A single currency was established to facilitate trade within the empire.
B. A series of roads unified the Roman Empire.
C.The empire stretched from Spain to Assyria and from North Africa to Great Britain.
Explanation:
Regarding the last point, Romans were not known for their mercy or tolerance of other cultures. They did not promote assimilation. Conquered peoples were imposed Roman rule and taxes, laws and norms, there was no policy of cultural assimilation of vanquished peoples.
*Columbian
The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.
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