Why were the southern states displeased when california was admitted to the union as a ffree state

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.

When the communist, under mao, took control of china in 1949 they announced total support support for which country and its ideology?

17 points! ! (explain your answer)