Final answer:
The Crusades to the Middle East in the 11th-13th centuries brought back tales of new lands and peoples, as well as goods like silk and sugar. They also led to the establishment of new political units in Europe.
Step-by-step explanation:
The Crusades to the Middle East in the 11th-13th centuries brought back several things. Firstly, the crusaders brought back tales of new lands and peoples they encountered during their journeys. They also brought back various goods such as silk and sugar, which were unfamiliar to them before the Crusades.
Additionally, the Crusades resulted in the establishment of new political units and the expansion of some kingdoms in Europe.