How did the crusades contribute to trade and learning

The contribution of the Crusades was that trade increased as Europeans traveled and became more familiar with exotic goods. Increased contact and trade was part of the reason for the rise of towns and cities in western Europe, starting in Italy. There teachings of Christianism and war tactics contribute to the crusaders.

silk

indigo  

rice

all the other answers are wrong

japan is located on a chain of islands called an archipelago. it is made up of four main islands and thousands of smaller ones. the terrain is mountainous, which means there is not a lot of good land for farming. because of the geography, the japanese relied on the sea for many aspects of daily life.