"<span>It was created as an umbrella agency to help coordinate communications between agencies responsible for national security" would be the best option from the list, since although it was created in the wake of the 9/11 attacks it's also responsible for responding to other emergencies such as natural disasters. </span>
The main reason why <span>Europeans traveled across the Mediterranean Sea to reach the Silk Road was because the goods that were available for purchase on this road from Asia were highly rare and highly sought after. </span>
