for the first part of the second paragraph would be...
Explanation:
but he argued that the ones who lived 2000 years before the kurgans where the first speakers of proto indo-Europeans
A pug because of the front of the face
They removed existing rulers from the conquered lands to ensure they had direct control of their enemies' trade routes. They forced all the people they conquered to trade directly with them, increasing their wealth from the sale of additional goods. They took all conquered people as prisoners and forced them to work as slaves on public works projects. The tribute demanded from conquered peoples provided warriors for defense, as well as food and resources for their own people.