The advice that teachers and philosophers gave local lords in the period following the collapse of the zhou dynasty became known as the

Hundred Schools of Thought

Explanation:

The Hundred Schools of Thought were a series of philosophies and schools that flourished from the 6th century to 221 BCE. After the authority of the Zhou rulers began to break down, the officials who were working for the government spread all over the country, and they began preaching their own ways of thinking, which then developed into established schools of thought.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.