In ancient persia, messages could be sent rapidly because of an excellent system of: a. carrier pigeons b. post roads c. runners d. smoke signals

The correct answer is B. post roads

B. post roads

Explanation:

The highways build by Darius head to the Persian Empire, were an excellent communication system from which a Royal Road allowed economical activities, politicians, and people to travel widely across on of the largest Empires.

The Royal Road made possible communication to rules of a vast empire like Persia.

Royal Road allowed the king to send orders to and receive information from everywhere relatively quickly.

Empires as also changes to laws could easily be communicated.

Laws and changes on taxes, made merchants and farmers have more trust since they were returned in the form of protection by Persian armies that had strict vigilance on the roads and also a coordinated system of intelligence to overwatch it

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.