Wilson helped the war effort by giving the military more funding and power. This had a positive impact on the United States economy.
<em>The Crusades created a demand for Eastern goods</em>. The wars created a need for continuing supplies, which increased their manufacturing.
Also, <em>the Crusades failed to rescue the Holy Land permanently from the Muslims</em>. Pope Urban called on Western Christians to recapture the Holy Land from Muslim control, but they failed after eight major Crusade expeditions.
Finally, <em>the Crusades brought about the breakdown of the medieval way of life</em>. After them, there was an increased interest in travel and learning, which many historians believe gave birth to the Renaissance.
During the renaissance period, the kingdom that ruled upon a certain region has a centralized power which make the main kingdom had the right to determine whatever regulations or political decisions that should be made by the cities.
Kingdoms of Western europe use more of a decentralized power and give the cities enough freedom to regulate themselves.