The correct answer to this open question is the following.
Although the previous link was not attached, we can say the following.
The central ideas or information of a primary or secondary source are the following,
A primary resource comes from the people who witnessed the event, the incident, or the specific moment. These people could have written their own descriptions, testimonies, books, or maybe journalists that directly reported what happened. It also could be an interview with people who were part of the historical event. For instance, if it is a soldier that participated in the Vietnam War, a journalist can interview him and use it as a primary source.
On the other hand, secondary sources can be obtained from other sources that were not direct. This could be an author that based its story in other investigations, or it could be encyclopedias.
Answer:
Yeah, sure
Explanation:
Rationalise

Multiply numerator and denominator by conjugate:

Answer:
The political issues came from the government attempting to keep the country united. The economic reason for the civil war was the taxes on imported and exported goods. ... wanted to abolish slavery, while the Southern society and economy heavily depended on it.
Answer:
There are 13 appeals of federal circuit court
This so-called "Big Bonanza" made "John William Mackay" the richest man in the world, since the discovery led his business shares to the point where he was valued at roughly 1 billion dollars.