Why were german tribes able to attack the roman empire in the 5th century ad?

In what two ways were the tang and song dynasties of china similar? they jointly built the grand canal. they were economically strong. they had weak military forces. they ruled for about 300 years. they discouraged buddhist ideas.

All native american time were united against their struggle with the european settlers true or false

What characteristics did the kiowa share with the other plains people? a) they migrated from the same places b) they were nomadic hunters c) they used the horse extensively d) they spoke the common language! and you