Answer: The map scale
Explanation: A Map Scale is defined as the ratio of the distance on a map to the distance on the surface the map represents. For example, 1 centimetres on a map represents 10 kilometres on the surface of the Earth. What this means is that for every 1 centimetre you measure on the map, that equates to 10 kilometres on Earth/ real life.
It was the most accurate calendar of the time!
The Latin American Wars of Independence<span> were various revolutions that took place during the late 18th and early 19th centuries that resulted in the creation of a number of independent countries in the Latin American region. - McGrawHill TextBook</span>