How did Europe benefit from the proceeds? The feudal system strengthened and the population increased. Exposure to countries in the east led to the exchange of goods and ideas. The Catholic Church reunited with the orthodox Christian church. It took back the holy land for hundreds of years until the 1900s.

The Crusades, a series of military campaigns launched by Christian Europe against the Muslims in the Middle East during the Middle Ages, had various impacts on the region. While some benefits can indeed be identified for Europe, such as the strengthening of feudalism and population increase, it is important to note that the overall consequences and impacts of the Crusades were complex and varied.

1. Strengthening of Feudalism: The Crusades indirectly contributed to strengthening the feudal system in Europe. As many knights and nobles embarked on Crusades, their absence from their estates allowed their vassals and serfs to gain more independence, leading to the decline of the manorial system and increased local autonomy.

2. Population Increase: The military campaigns of the Crusades also led to the migration of people from Europe to the East. The movement of people often resulted in an exchange of ideas, culture, and technologies. Additionally, the Crusades encouraged pilgrimages to holy sites, which led to increased travel and trade, contributing to economic growth and population increase in certain areas of Europe.

3. Exchange of Goods and Ideas: The Crusades exposed European Christians to the sophisticated civilizations of the Middle East, such as the Byzantine Empire and Islamic societies. This exposure resulted in an exchange of goods and ideas, including knowledge of sciences, arts, and new technologies, which gradually enriched Europe. This led to the transmission of ancient Greek and Roman texts, which had been lost in Europe, and sparked a renewed interest in learning, known as the Renaissance.

4. Reunion of Christian Churches: The Fourth Crusade (1202-1204) resulted in the controversial capture and sacking of Constantinople, the capital of the Byzantine Empire, by Western Crusaders. While this event led to political and religious divisions, it did, however, pave the way for attempts at reunion between the Roman Catholic Church and the Orthodox Christian Church.

5. Holy Land Control: The Crusades aimed to secure control of the Holy Land, particularly Jerusalem, for Christian pilgrims. However, the Crusaders' control over the region was not continuous, and the Holy Land changed hands several times between the Crusaders and Muslim forces. Ultimately, the Crusaders were expelled from the region by the 13th century, and Christian control over the Holy Land did not persist until the 1900s.

It is crucial to note that the Crusades also had numerous negative consequences, including violence, religious intolerance, and the displacement and persecution of Jewish communities both in Europe and during the Crusaders' campaigns. The long-term effects and legacy of the Crusades continue to be a topic of debate among historians and scholars.