A census is what this is called. A census (depending on the type and by who is conducting it) basically counts something like the number of people in the population so that whoever is using it can get accurate results for something. Like lets say a king wanted a census of his people, animals, soldiers. He would instantly have his men count all the people in the city. They would record the amount of animals. And the same for soldiers. Then they would put all this information in a big book and keep it in the palace. It was frequently updated as people moved or died.
The high technology in the ships of the Portuguese gave them an advantage over other countries, becoming the most powerful navigators during those two centuries. Portuguese trading focused mainly on obtaining gold, ivory, and pepper; but in addition to these products, so prized in Europe, it is estimated that more than 175,000 slaves were also carried on Portuguese ships to Europe and the Americas in the greatest migration of people during the fifteenth and sixteenth centuries.
<u>Answer:</u>
When studying history, asking questions and checking other sources will improve one's perspective. The other awareness necessary is "To realize all writers and reporters have some bias of culture, geography, economics or politics".
<u>Explanation:</u>
History has been documented since the dawn of civilization, it is necessary to look into the main historical records and comprehend each perspective. Ability to understand history means not to be biased with your understanding base, each era has a justification why these events had occurred. Each writer has one or the other bias and this has affected the activities they write. Thus when reading books a viewer should take this into account.
