In the 1930s, an area in the southern plains states was named the because the topsoil turned to dust.

Dust Bowl

Explanation:

The dust bowl was a natural disaster in the period of the severe stormy weather that damage the economy and the agriculture of America and it is happened in 1930 due to the aeolian process that operates in the desert areas. And it displaced the native deep-rooted grass species. The U.S government response was soil management and conservatism as the outcomes of the disaster.

Build a market-oriented economy;

When the indian plate collided with eurasian plate because it was cool