Which of the following was a major factor in the decline of the Byzantine empire?

There were several major factors that led to the decline of the Byzantine Empire. Three of the most significant factors were:

1. Ottoman Invasion: The Byzantine Empire faced numerous invasions from the Ottoman Turks. The Ottoman Empire was expanding and gradually conquered Byzantine territories, ultimately capturing Constantinople in 1453. This marked the end of the Byzantine Empire and its decline.

2. Economic Decline: The Byzantine Empire faced economic challenges due to a combination of factors. Continuous warfare drained the empire's resources, causing financial strain. Additionally, over time, trade routes shifted, weakening Byzantium's economic influence. These factors led to a decline in revenue, which affected the empire's ability to maintain a strong military and infrastructure.

3. Political Instability: The Byzantine Empire experienced internal conflicts and political instability, which weakened its governance and overall effectiveness. Issues such as power struggles, corruption, and weak leadership contributed to the decline. The empire also faced frequent political and religious controversies, which further divided the empire and strained its resources.

It is important to note that these factors did not act in isolation, but rather influenced and exacerbated each other, leading to the gradual decline and eventual fall of the Byzantine Empire.