What led to the end of trans-saharan trade routes

The End of Trans-Saharan Trade Routes:

Explanation:

The factors that led to the end of trans-Saharan trade routes are:

Civil unrest due to collapse of the Songhay Empire, the Timbuktu, by the Morracans in 1591 The extreme desert conditions like extreme climates, excessive heat, lack of water and food etc made the travel logistics very tough. This made people opt for other transport systems Huge advancements made in maritime travel  Exploration of West African trade routes Economic, political and social changes which led to the end of trans-Saharan trade routes