It was by accident he was trying to get to india by going west to make it faster by ship and found america instead <span />
Chile, Colombia, Panama, Ecuador, Bolivia, Paraguay, Uruguay, and Argentina are the territories that at one point or another had constituted the Viceroyalty of Peru.
Attaching an electronic catalogue card to each document is the simplest means to do searching much easier. Metadata is the data about a certain data. Example of metadata is Dublin core which specify a standard set of needed and approved elements for such catalogue card.
The answer that best fits the blank is serfs.