15) No one could turn around a failing restaurant as expertly as Gordon, whose experience and cadre of trained professionals was available at a moment's notice should his services be needed. This ability, some might call it a gift, was developed to such a level that other restaurant consultants were unable to match his results. This ability is best described as his:

core competency      

Explanation:

Core competency could be characterised as "a harmonised mixture of numerous assets and expertise that differentiate a business in the industry" and thus are the basis of the competition of the businesses.

A core competence is the culmination of a particular set of skills or manufacturing techniques that provide added value to the client. It can be very necessary for organisations to use and understand the concept of core competences.

They can use core competencies to excel in main product development. Organizations can also utilize core competencies to lift consumer and stakeholder expectations.        

being born in poverty would limit the people's chances, opportunities and benefits.

this happen because of several things, such as:

- poor people tend to gain less access to good education and nutrition. this mean that their chance to obtain high paying jobs would also be limited.

- poor people tend to socialize with other poor people while the rich tend to socialize with other rich people. this means that simply throguh their social circle, rich people would have more business opportunities compared to the poor people.

- rich people tend to have more capital in their disposal. this would benefit them in business since it is far easier for them to fund their business operation compared to poor people.