How did changes in the soviet union affect people in other communist parties

What were the 2 main reasons why the chinese came to america ?

Me < 3 there are multiple ‘3rd party’ political parties in the us. what are the benefits of having 3rd parties? what are the disadvantages of being a member of one? would the u.s. benefit if there were more 3rd parties created, more support for the current ones, or would it be best to get rid of them altogether? why?

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?