How did kublai khan's organize mongol rule in china?

How did the roaring 20s mark the end of the progressive era? a. mass production reduced wealth disparity and turned public opinion pro business b. labor unions won big legislative gains in workers rights and disbanded c. public officials cut taxes on businesses and reduced spending on services d. america increasing influence in world affairs redirected public attention to foreign policy

How does the existence of a site like catus hill demonstrate the challenge that archaeologist face when making theories?

The roman empire created the worlds first