When countries such as China emerge from communism, they often require foreign investments. Why?

Most countries need foreign investment because they are rejoining the world economy in some cases, have not diversified what they produce, and what they do produce is nationalized.

Explanation:

Think of Venezuela specifically. Part of the reason it is in such bad shape is because it's main source of revenue is oil, which is mainly controlled by the state. When communism collapses, there is no state to control that sole product which is where foreign investment comes in to do that instead.

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.