Working memory played a role in </span><span> immediate conscious perceptual actions. This mean that people would do working memory taks a lot more efficient as they do it over and over again. This is why older people tend to be more fluent in doing such tasks.</span>
Darrius was able to maintain control of such a large empire because he established a different currency for each of the provinces, he adopted a monotheistic religion and he founded the construction of across his empire.