Let's take for example he US: it has an economy which is mostly free: the prizes and goods produced are determined mostly by the demand.
However, there is still some regulation: the government for example limits the access to some goods (drugs).
The correct answer is d. mixed
Road, rail, water and air transportation are very important in across Europe and these ways are providing service to 700 million people. Since the beginning of the Industrial Revolution the world started to change drastically, but Europe as the predecessor is until now the leader continent on this topic.
It is important to mention that Europe has the system of trains wich connects all the territory, something that is missing in America, Africa, Middle East and Asia. Except from Japan, they have the fastest bullet trains that connect all the country, maybe this is the only service missing in Eupore to make greater.
Furthermore, some organizations as the European Union and council of Europe develop standards that allow people to cross bordes all over it with unique levels of freedom.
In a statement I describe it: European network of transportation is revolutionary and futuristic; because it is improving its methods to make it faster, cheaper, ecological and more important, it's giving to the world the idea to remove restrictions and borders in order to unify the world as one nation.
The correct answer is C. Privileged class
A person who is in a group that benefits from the oppression of another group is in a privileged class. White Americans are a classic example, having benefitted economically from the institution of slavery.