Question

which phrase best explains a major result of the fall of the roman empire?
beginning of the european age of exploration
start of the crusades in the middle east
development of the renaissance in northern europe
expansion of the authority of the catholic church

Explanation:

The fall of the Roman Empire left a power vacuum in Europe. The Catholic Church stepped into this gap, providing social, political, and religious structure, which allowed its authority to expand across the continent. The other options occurred much later: the Age of Exploration was in the 15th-17th centuries, the Crusades began in the 11th century, and the Northern Renaissance was in the 15th-16th centuries, all long after the Western Roman Empire's fall in the 5th century.

Answer:

expansion of the authority of the Catholic Church