Wich of the following physical features attracted settlers who were looking for easier ways to travel

Can someone read this article and tell me the 1) key ideas and 2) one key quote (copy and paste the link the article is not to long at all)from

Erika is a human resource manager at bluetel inc., a software company. she receives a call from an hr manager at another software company asking about marshall, a software engineer who used to work at bluetel and has applied for a job at the caller's company. erika checks the company's records and sees that a coworker had accused marshall of racial discrimination, but an investigation did not turn up any evidence to support the charge. marshall left the company two months later, saying he was no longer comfortable there. erika is concerned about sharing the details of this situation with the caller. if telling the information to the caller leads to the other company not hiring marshall, what potentially unlawful behavior could marshall accuse bluetel of engaging in?

One of the results of the 2010 golf of mexico oil spill is the threat to various species in the goths ecosystem it disturbed and in some cases forever altered the of the gulf coast