The economy you described in your question is called a market economy. It has free markets and the production of goods and services are determined by the consumers.
D. contain relevant information
Authoritative sources are works known to be reliable and highly trusted because its authenticity is extensively recognized by experts. Once your source is reliable, the information you need is certainly relevant to your study.
Authoritative sources could be up to date and have thoughtful opinions, however, any sources could have this too.
Any articles are easy to find simply by using the internet. But the question is, are they reliable?
It led to a period of large-scale emigration out of Ireland ( apex) XD :)
All of the following were United States presidents except "<span>C.William Seward," since although he did indeed run for the office of President, he instead ended up serving under President Lincoln. </span>
