1. Decentralisation of European power: The dramatic reduction of the population in many European countries led to a decentralisation of power. The loss of manpower meant that the centralised states were unable to effectively control their territories. This led to the rise of regional and local powers, which eventually resulted in the development of nation-states.
2. The rise of the merchant class: The depopulation also led to the rise of the merchant class. With a shrinking population, there was less demand for agricultural products. As a result, many peasants were forced to abandon their land and move to the cities, where they became involved in trade and commerce. This led to the rise of the merchant class and the development of capitalism.
3. The spread of Christianity: The depopulation also contributed to the spread of Christianity. With the decline of the Roman Empire and the subsequent fragmentation of Europe, there was a decline of the pagan religion. This created a vacuum that was filled by Christianity. The church was able to spread its message more easily in the smaller and more isolated communities.