I believe the answer is: Market Economy
In the market economy, the type and price of a certain product would be completely driven by the the amount of supply and demand in the market. People in market economy had the right to choose the type of job or goods that they want to produce and tend to be benefited by inventing a new products that well liked by the market.
The answers would be A and D. These are both true. It is not true however that working hours for children were restricted, nor kids had to be twelve to work. Many children worked at a very young age and didn't have an education.
B.) <span>A species that influences the survival of many other species in an ecosystem is called a "Keystone Species" example. "Jaguar"
Hope this helps!</span>
Medieval, Renaissance, Baroque, Classical, Romantic, Modern, Impressionism, Neoclassicism, Experimental, High Modern, Contemporary
If you need any further explanation, feel free to ask
