Identify Purpose

Source

Occasion

Audience

Purpose

Subject

To explain the history of the map 

To figure out the distance from one place to another

To identify the meaning of symbols on the map

To shampoo your hair, rinse, and repeat

To weigh the political power of the states

To show where things are located on the map

Compare the distance measured on the map to the actual distance on Earth

To show how large the map is

To promote international peace and security

To control global trade

To establish a single world government

To regulate international sports events

Limit the powers of the government

Establish a monarchy

Create a new currency

Expand the powers of the president

To directly elect the president

To provide a system of checks and balances

To elect members of Congress

To ensure equal representation of all states

Limit the power of the king

Establish a new religion

Create a new language

Expand the British Empire

To promote health and well-being worldwide

To regulate pharmaceutical companies

To provide health insurance

To conduct medical research

Free enslaved people in Confederate states

End the Civil War

Create a new constitution

Expand the United States territory

To provide collective defense against aggression

To promote free trade

To regulate international travel

To establish a common currency