The Crusades is a possible answer. They paved the way for much cultural transmission. Trading can be another possible answer.
The crusades lasted from around 1096 to about 1291, making the answer early 200 years.
Answer:
Islamic art is often characterized by recurrent motifs, such as the use of geometrical floral or vegetal designs in a repetition known as the arabesque.
The best option would be "<span>Nations must acquire new territories and become world powers in order to survive," since this extending the individual idea of Darwinism to nation-states. </span>
