The greeks won because they had better equipment then the persians.
I believe the answer is: motivations.
When you understand your motivations, you would most likely wouldn't stop unless your end goal is achieved because you feel a strong drive for a certain change. Because of this, the likelihood of you staying within your plan would also be increased.
Equity theory- people are most satisfied with a relationship when the ratio between benefits <span>and costs is similar for both partners.</span>
<span>October 9 is Leif Erikson Day, a United States holiday that honors the Icelandic explorer who some believe was the first European to reach North America. ... Christopher Columbus and his holiday are controversial today largely because of the way he and subsequent European explorers and settlers treated Native Americans.</span>