Which of the following is not true of the xiomgu empire?

burial mounds included glass beads and mirrors made from the sands throughout the region
there was more cooperation through trade between tribes
other tribal units that were eventually assimilated were info aryan cianbei hungj scythins and han chinese
as each nomadic tribe civilization was conquered or abosorbed into the larger empire the xiongnu were able to hold more territory

The answer is:

Other tribal units that were eventually assimilated were indo aryan Cianbei hungj scythins and Han Chinese.

The Xiomgu was a tribal empire of nomads that habitated in the eurasian steppe, they do not have many advances in technology or writting thats why we dont have documents from them, just waht the chinese or other cultures wrote about them.

it allows shippers to carry commercial goods, which allows them to save time and money.

number 4. should be the correct answer