Which of the following is true in a market economy?

Ihonestly don't know how to revise, like i'm struggling so much to remember things and i really don't know what to do at this rate. does anyone have any advice? especially with american history, i've got 5 topics in this section.

Which philosopher and writer declared that science should be studied only with empirical methods because theory was a distraction? a. bacon b. hippocrates c. wundt

On what values was the united states established