The answer is "D. They transported goods across desert regions."
Answer:
For a while, the Ottoman government supplied the Janissary corps with recruits from the devşirme system. Children were kidnapped at a young age and turned into soldiers in an attempt to make the soldiers faithful to the sultan.
Explanation:
Emperor Gaozu his name is li Yuan.
Emperor Taizong his name is li Shimin.
Emperor Ruizong his name is li Dan.
i haebe no cutle if its true or false
Spread disease such as smallpox which killed much of population.
Colonized most of land, taking from natives and forcing them to settle elsewhere.
Introduced them to European items, such as horses, guns, and some farm animals
