That 'so important' status is known as master status.
Ancient civilizations were built along rivers because the land was fertile.
It was because of the war in 1856 the Russian and the French were mad about the way things had to go because they had to share and called each other names but then they decided to do the political parties after several years of war
Sorry, but this question is incomplete.
The correct answer is an evocative gene-environment correlation.
An evocative gene-environment correlation refers to the phenomenon where the behavior that an individual has inherited elicits or leads to an environmental response. In this instance, Vernon's (inherited) temperament is active and friendly due to which his parents provide him with social stimulation. On the other hand, Vivian, who has a more passive and quiet nature (inherited) receives less stimulation from her parents.