How might a greater interest in the military have preserve the abbasids empire

Having great interest in the military have helped in preserving the Abbasids empire as having a military will be able to protect the empire and in the same time, it will extend and make the empire much bigger and much more powerful.

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

during the ming dynasty