Answer;
-To halt the spread of Muslim rule
Explanation;
The First Crusade was launched in 1095 after a speech given by Pope Urban II at Clermont in France. Its goal was to "liberate" Jerusalem and the rest of the Christian Holy Land from Muslim control.
There were two main stated goals to the Crusades. The first goal was to reclaim the Holy Land (Jerusalem, in particular) from Islamic control, making it safe for Christian pilgrims. The second goal was to come to the aid of the Byzantine Emperor, a fellow Christian ruler.
Silk road of course or it can be silk
The purpose for organizing labor unions is to help protect the rights of the workers.
During the French and Indian War, Native Americans sided with both England and France. Different tribes, and sometimes even individuals within the tribes, sided with different sides.
Among the advantages of siding with France was the fact that they were most tribes' main trading partner. As fur traders were often French, the French also had a stronger connection with the tribes. Many French people spoke native American languages, and many married Native women, even joining their tribes from time to time.
On the other hand, the English had a much more turbulent relationship with the Native Americans. However, the English were 20 times larger in number than the French, making them a more strategic partner. They had also promised land and other concessions to Native Americans who fought on their side through the Treaty of Easton.
If I were the leader of a tribe, I would side with the French, as they had a better track record of helping the Native Americans. This in fact is what most Native American tribes did.