While the Court can declare presidential acts unconstitutional, the president "D. nominates judges" and this is not a check that the Legislative Branch has over the Executive Branch: the fact that it "<span>C. declare presidential acts unconstitutional", since this is one of the roles of the judicial branch. </span>
The steps that countries must take to transition to a mixed-market economy are: they must establish a fair labor market, and they must open up trade to other countries.
A mixed economy is an economic system which mixes elements of market economies with elements of planned economies. It's a mixture of public and private enterprise.
So, to have a country with a mixed-market economy, countries must establish fair labor market to have adequate conditions for the labor market. Moreover, they must open up trade to other international countries. That is to say, to have free trade which doesn't restrict exports or imports.
