1-b.........................
2-d.......................
3-a...........................
4-a........................
5-b...........................
Here is the answer of the given question above. The statement that is a key difference between market economy and mixed market economy is this: <span> Market economies have no government influence while mixed market economies are loosely regulated by the government. Hope this is the answer that you are looking for.</span>
<span>Federalist led by Alexander Hamilton</span>