Why did Europeans go on
crusades?

Why? :)                      This better be a good joke!

They were centered on a clash between different religions and helped transform Europe and the Middle East during the years of the Middle Ages.  As well, many historians consider the effects of the crusades as an important event in the emergence of the Renaissance in Europe a few centuries later.

Explanation:

the graphs indicate that few people in bolivia work in industry, as that is the least expressive sector shown in the respective graphic.

well we know that it was fought between america and the united kingdom based on that i assume people consider the second war of independence because brtiain and england (uk)   the uk is made up of england and i assume thats why it was considered that