The correct answer is C) the spread of coin currency which made international trade more efficient.
The Commercial Revolution in Europe succeed in part because of the spread of coin currency which made international trade more efficient.
The Commercial Revolution was an important time in the old continent because trade expanded abroad. The period considered of Commercial Revolution in Europe is from the late 13th century to the 18th. European nations such as Spain and Portugal sent their ships to other parts of the world with expansionist, colonialist and trade purposes. The Commercial Revolution in Europe succeed in part because of the spread of coin currency which made international trade more efficient.