The correct answer to this open question is the following.
Although the question is incomplete because it does not provide a specific reference about the author of the letter or any other reference, we can comment on the following.
A primary source is the piece of information that was written by a character or an individual that lived in the moment of the event, was part of the event, or witnessed the event. This individual could have written a letter, or a document -including a book. Or he/she took a photograph. Or was part of an interview. The secondary source includes information from a third person who was not part of the time or event but has found information through other resources. It is the case of an encyclopedia or researchers/historian books.
some of the countries that use the federal system are...
United states
Mexico
Germany
Canada
Australia
and Brazil
Answer:
Some ideas:
-beads were a thing they did because of religion
-beads signified power or importance or wisdom
-beads of a certain colour/shape/size might mean certain things, e. g. 'I have children' or I am a woman/man'(there might be different beads from different genders/types of people)
-they cared about how they looked
-they had festivals where they got dressed up
