The answer to this question is the term traditional economic system. A traditional economic system is a economic system that is said to be traditional where in they produce products and services that can be based to their beliefs, traditions, customs, traditions, and even through their religion.
Incas because they were way bigger, they made roads, had guns & more.
It was known as the era of divided government neither party has consistently held on to the presidency
This is a personal question, which means that only you can answer it. However, I can give some examples that might help guide your work.
An example of a primary source that you might encounter in your own life is that of a news article. As this article is likely to be written by a reporter witnessing the events, it can be considered a primary source. On the other hand, an example of a secondary source would be a non-fiction book that talks about a historical event. This is because such a book would give a second-hand account of an event based on historical information.