How did the league of nations fail?

There were a variety of reasons for this failure, many connected to general weaknesses within the organization, such as voting structure that made ratifying resolutions difficult and incomplete representation among world nations. Additionally, the power of the League was limited by the United States' refusal to join.

Explanation:

the correct answer is:

b) a rich merchant.

monitor contract compliance and results of forestry activities to assure adherence to government regulations.  

plan and supervise forestry projects, such as determining the type, number and placement of trees to be planted, managing tree nurseries, thinning forest and monitoring growth of new seedlings.  

establish short- and long-term plans for management of forest lands and forest resources.  

determine methods of cutting and removing timber with minimum waste and environmental damage.  

supervise activities of other forestry workers.

by the way there is no video here.