According to Carl Rogers, what happens when people experience anxiety is that they feel that their self-concept is at odds with their experience. Carl Ransom Rogers is a known Psychologist and founded the Humanistic approach to psychology. Hope this helps.
B Ukraine for it Is closer to all other countries
Well a levee are things like dams and so it would help settlement if they were to start running out of water they could build a levee and run the water to where ever they needed it.