What did the Zhou dynasty create with its new types of ironwork?

The Zhou dynasty, with its new types of ironwork, managed to create new tools, mostly for use in agriculture.

Explanation:

The Zhou dynasty is one of the most successful and respected Chinese dynasties. This is due to their many achievements that helped improve Chinese society. One of those achievements has been the new types of ironworks, which has led to much-improved agriculture.

The new types of ironworks had huge importance. Numerous new or improved tools were created, and these tools helped the farmers in a way that their work became easier, but they were also able to produce more. For a society that has an economy based on agriculture, this has been revolutionary, and it enabled the Chinese economy to grow and strengthen, as well as enable large population growth.

the answer is d. made landless peasants that owners of large haciendas