Acombination of three factors qualifies people for the class: university degrees, authority and independence in their career, and high income.

The Upper-Middle Class

Explanation:

The term middle class stands in the middle of the social hierarchy between the upper and working classes and generally includes professionals or business workers. upper-middle-class refers to the social group that has acquired a higher status in the middle class. They are generally made distinctive from the lower middle class on the basis of income, occupation, and education. Sociologist differ in their definition of the term such as Max Weber ascribed postgraduate degree to be essential to the term, others have given more importance to the greater autonomy of work.

answer; attention;

they could have terrible tropical storms which will destroy the crops in the colonies