Answer:
losing tax revenue
Explanation:
each and every slave had to pay tax to there state even the young how worked
Only the federal government can sign treaties.
Hope that helps.
The development that probably hurt it is the reduction of open range herding. In history, people could just let their cattle roam freely and find food since the plains were huge and nobody lived in them. Nowadays, this can be problematic because there are more and more people and settlements and roads with cars so free range herding has been drastically reduced which cost the herders a lot.
D. Finance minister (sergei witte)