Describe the history of the BRICS trade bloc?

Which countries encompass the BRICS trade bloc ? What is the potential market (millions of people) of the BRICS trade bloc?

How has the BRICS trade bloc benefited the countries involved? Has the BRICS trade bloc improved/strengthened the relationships among the countries? Yes/No, Explain

What are the main contents of the BRICS trade bloc ?

Is there a single currency among the countries that encompass the BRICS trade bloc? If so, which one is it? If not, what are the currencies of the countries involved? In addition, if the countries have different currencies, what do you think about having a single currency among countries? Explain

Provide two arguments in favor of the BRICS trade bloc and two arguments against it?

What are the future expectations of the BRICS trade bloc? Does the BRICS trade bloc look promising? Is it going to continue? Or is it expected to end? Explain