Usually, when writers use a technique called foreshadowing, they are foreshadowing "<span>B. Clues to hint at what will happen next", since this is done in a way that is implied but is not explicit--to keep the reader engaged. </span>
<em>Foreshadowing</em> is a literary device in which the author gives in - advance hints to how the plot/story may end or what may happen later.
Foreshadowing usually appears at the beginning of the story and helps the reader to develop expectations/ideas of how the story may develop, thus keeping the reader's interest in reading the story alive.
Foreshadowing in fiction creates an atmosphere of suspense, sparkling the readers' interest to read on and to find out what is going to happen.
Some examples of foreshadowing are : dialogues, future events, throw back actions or descriptions.
Large areas of Europe were conquered by Muslims. When these areas such as southern Spain were recaptured and placed under Christian rule Muslim customs and architecture remained. Christians were encouraged to go on Crusade to recapture Jerusalem from the Muslims.