Which two statements about the han dynasty explain why it was the golden age of china?

The Han Dynasty was achieving in art, technology, and polotics. It was the longest dynasty to last in China. It's technology spread into the great world and had created pulleys and wheelbarrows to pull and push heavy objects easier. They had also created the first newspaper that could be printed which became the evolution of our technology today. 

Sorry if this isn't enough of what you need.

Your answer is d)magnesium