A historian must ask themselves if the source is a primary or a secondary. In order for it to be a real account it must be a primary source, as a secondary source is something written or based off of the primary source.
The main function of congressional whips is: <span>Serve as personal assistants to the majority and minority leaders.
Since the whips only serves as a support, they do not have a capability to make a congressional decision, so the congressional whips' position in the governmental hierarchy is pretty low.</span>
If you are asking for a translation, it would be:
How America is divided according to its physical distribution
probably yes or no, agriculture was important during that days and was a stonishing money collecting piece of trade.civilisation cold have been created with the help of a trade or any other value forms