<span>Some Americans were motivated by an appealing climate and good jobs in the Sunbelt.</span>
<span>Creating built-in instability means that you are setting broad goals and providing broad direction while leaving complete freedom to the team in taking charge of the development process,setting very challenging requirements from the team which creates an element of tension, and pushing the development team to the extreme so that it emerges innovation.</span>
Answer:
a line on a map joining points of equal height above or below sea level