What are the positives and negatives of the zhou dynasty

Some of the positives of the Zhou Dynasty include that they had major religions and philosophies emerge from their era like Confucianism, Taoism and also Legalism. Also they had iron casting technology be improved.They also were the first dynasty that united China under a single government.Created the yin yang symbol, elaborately decorated tombs for the wealthy, bronze vases, cooking vessels, cups and household items.Some of the negatives of the Zhou Dynasty include that they were proved to be very weak rulers, when the feudal system collapsed they had no law system, and the lords were governing instead of the kings.