Answer:
O When the United Nations began analyzing proposed missions, its forces became more effective in the field.
Explanation:
The above statement is the best one which was able to explain how the ideas expressed in source 1 influenced the actions described in source 2. For the fact that, UN accepted the President Clinton's advice and ideas, it turns out to be that, the required skills needed to effect such changes is lacking. Inorder to solve this, they began vetting all proposed peace keeping missions to be carried out in the country of choice.