Answer: Working Memory
Explanation: working memory often times called short memories are the type of memory that allow individuals use relevant information while in the middle of an action or in the process of solving a problem. A typical example is the one of a student in an exam Hall. The student uses step by step procedures of which he learnt in of the practical classes to solve the scientific problem before him.
Working Memory is limited, it carries the practical things, like numbers, words or procedures which can be easily held on to.
The answer is: 4.advertising in Spanish on billboards
Advertising in spanish on billboards is an effort to target demographic in middle to lower economic power (since a large number of spanish speaking citizens in america are poor immigrants). They often used such billboards to promote a certain government officials or cheap products.
Greece is the correct answer
They all refer to the different types of government systems there are. An example would be that the United States has a a federal government system because both the state governments and national government share equal power.