What pattern or trend do you notice within the events of this timeline

The chinese culture in America. Generally in California. And usually regarding Governmental.

Using our English/Reading skills, we can see that there is

  1.   Chinese

  2.   California

  3.   United States

  4.   Government

  5.   Culture

Thus, concluding that we can make the assumption that they are talking about Chinese governmental and culture history in America. Generally in Calfornia.

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.