The efforts of one good worker can often motivate others to reach their potential through a process called modeling
Some similarities and differences between the Byzantie Empire and Kiev Russia consist of the Byzantie Empire's period lasting from 330-1613, whereas Kiev's period lasted from the 700's-1110's. The Byzantie Empire was a more advanced society then Kiev. Kiev recieved most of their culture from cultural diffusion from Byzantie. Some similarities include that two leaders from both locations converted to Christianity. Both locations were the only ruler. And both locations strived to control the church, also known as to control the people. Supremacy existed in both.
At times it was powerful while eventually it fell.
NASA HQ are in Houston, Texas. Famous quote "Houston we have a problem" from Apollo 13 relates to it.
