<span>This suggests that Trey has not yet developed a legitimate understanding of the permanency of tangible objects. This can be evidenced by the fact that Trey lost interest in the ball once it was no longer in his range of sight. He has not yet learned that the object does not just disappear if he is unable to see it.</span>
<u><em>In economics, we cannot accurately predict what individuals , so any model that attempts to predict the behavior all will ultimately fail. , so any model that attempts to predict the behavior all will ultimately fail.</em></u><span><u><em> </em></u></span>
1. Henry Ford
3 Sears
5 Alfred Sloan
6 model T
<span>According to the prologue the sources of the hiawatha legend include Native American legends. These legends, attributed to various tribes with which Longfellow would have been exposed, were inspiration for Longfellow's original work. The poem is original, however; in it we can see the influence of various legends from North American tribes.</span>