Answer B.
They carried messages between different parts of the empire
The runners in the Inca society were called Chasqui runners and were young men used to bring messages by running between different parts of the Inca Empire.
<span>The Spartans worked to stop a second Persian invasion of Greece is the correct answer to your question. Hope I helped :)</span>
<span>The spirit of improvement is part of the foundation of the type of personality of those who are innovators, inventors, and those who took part in the industrial revolution. The basic concept of wanting to improve upon ways to accomplish tasks is essential in the forward momentum, knowledge acquisition, and the improvement if society. Going all the way back to when humans had to hunt for survival, the spirit of improvement lead to the development of the spear over the club, the arrow over the spear, the hunting rifle over the arrow and so on and so forth. By improving on concepts and ideas we move society and humans forward. When it came to the industrial revolution, the spirit of innovation led to things like the assembly line which revolutionized the speed at which products were developed. The spirit of improvement was an essential component of the industrial revolution because without the desire to improve our lives we would still be hunting with clubs.</span>
