Can someone help ? no links please and i'll give the best answer brainliest What is the type of Economy that has free market principles, but the government can make rules and regulations for businesses and individuals to follow.

When copernicus changed the way we think about the solar system, he did so not by discovering new information, but by looking differently at information already available. edward jenner's discovery of a smallpox vaccine occurred when he shifted his focus to disease prevention from the then more common emphasis on cure. history is replete with breakthroughs of this sort?