<span>They used flooded rivers for crops for rich silt left behind</span>
The British did all of the following things mentioned in the question above.
The correct option is "to help Justinian establish law for a thousand-year reign."
The Digest, is a legal work published in the year 533 d. C. by the Byzantine Emperor Julianus I. The Digest of Justinian came into force fifteen days after its publication. His name was given in honor of Justinian, whose most important work took the same name.
The Tet Offensive was a coordinated attack on American and South Vietnamese troops in early 1968 by Vietnam Cong and North Vietnamese troops. The attack had profound political and psychological repercussions on the American domestic front.
If you are asking whether the statement is true or false, then the answer is true. Any country that is in trade with another must have some form of exchange currency in order to be productive. I hope this helped.