How did the zhou king control his vast kingdom?

King Zhou was one of the great kings of Shang dynasty of China. He reigned from 1075 BC to 1046 BC. He had a vast Empire and controlled his Empire by fallowing measures:

1. He placed family members in charge of some important regions.

2. He gave some territory to feuds as well.

3. He placed some territory in charge of his most trustworthy people.