The polish economy began to grow in the 1990s because the government a. built more state-owned factories. b. controlled prices better. c. stopped new private businesses. d. encouraged entrepreneurs.

The reason is because the government (D). encouraged entrepreneurs
After the fall of the soviet union in 1991, Polish started to adopt a more free-market enterprise into the economy.
During that time, the government of polish made a lot of loan in order to give benefit for entrepreneurs and increase the nation's economy

Answer volcanic eruptionsseismic waves from earthquakes;

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.