Which of the following is the term used to describe the philosophies and schools that flourished from 6th Century to 221 BCE during the Spring and Autumn Period and the Warring States Period during the Zhou Dynasty of China and was particularly noted for the philosophies of Confucianism, Daoism and Legalism?​

He seventeenth amendment to the us constitution calls for the direct election of all us senators. this means that the people of each state get to vote to decide who will be their two us senators. before this, the legislatures of each state chose the two us senators from that state with no direct involvement of the average voter. why would this amendment be considered a reform? how would it benefit the people? even today some people claim that the seventeenth amendment was a bad idea. what arguments could be made for reverting selection of us senators back to the state legislatures?

What is the title of the head of thr department of defense?

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.