Select the most appropriate sentence with respect to grammar and usage.
1
Today the dominant form of economic organization at the world level is based about market-oriented mixed economies.
2
Market socialism is the form of market economy where the means of production are socially owned.
3
Mexico have been called the 'birthplace' and 'burial ground' of the Green Revolution.
4
In 1961, India was on the brink of mass famine.
5
None of these