Is social progress only possible if it comes from the people or leader? And why?

In what two ways were the tang and song dynasties of china similar? they jointly built the grand canal. they were economically strong. they had weak military forces. they ruled for about 300 years. they discouraged buddhist ideas.

What treaty ended the conflict with little turtle

How have the united states influenced other nations? describe the impact that the u.s. has had on other countries.