The correct answer to this open question is the following.
Unfortunately, you did not include further references or context to answer the question.
It is a general question, so we are going to answer it in general terms.
What I can do in fulfilling the expectations of the travelers is surpass their expectations. That is a key principle in managing operations in the hospitality industry. When traveler's expectations are surpassed it is probably that they become your frequent clients. And that is what every single hospitality company desires.
When people pay for a trip or tour, maybe a flight, they know what they are supposed to receive, according to the price they pay. But when they receive more for what they paid, that is when people love it and enjoyed it. That is surpassing expectations.
You're looking at an ancient sand dune. What this means is that the place used to be like a sandy desert, similar to those in Africa. That is because the composition of sand is mostly silica, which appears in the form of quartz.
Answer:
submarines were widely used by both sides as the ultimate weapon of naval blockade, sinking large numbers of both merchant ships and warships, resulting in either paralyzing the enemy's military industry and war effort by causing severe shortages of war materials and products and preventing maritime troop transfers, or forcing the enemy to dedicate enormous resources to anti submarine warfare in order to prevent that from happening, resources which could otherwise be used in the enemy's main war effort.
Explanation: