The correct answer is Kush
The Kush people broke free of their rule <span>around 1000 BCE, and some 500 years later they moved south along the Nile and established Meroe.</span>
The main argument made in the passage about Timur's empire is about developing farmlands and railroad tracks which contributed in the world war period.
Explanation:
Railroads will be a major advantage in transporting many things to the battlefield, trains could carry things like food, armor, artillery and etc. This gives a huge advantage to one side by get supplied easily without making it a big hassle, they helped contribute to an advantage on one side of a war because it was an easy way to grow food for the soldiers. Farmlands could produce a lot of food especially by keeping away soldiers from starving of food. Farmlands need not to worry about the food in feeding the soldiers