Which dynasty required tribute from other territories?
Sui
Song
Han
Tang

Explanation:

Han is your answer. it will come up Ming Dynasty ask another word for Ming Dynasty and then it will tell you your answer is Han.

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )

i think it was   tsar alexander ii