There would be man-made materials that will provide archaeologists with the most precise information for identifying the date of an archaeological context.
Explanation:
Archaeological context is the place or site where the artifact is found.
This site is monitored and constant surveillance happens. There are records of artifacts, bio-facts or even cultural information which should be recorded in case artifact needs to be referred to in future. This information will also help in future assessment.
There are different dating methods employed by the archaeologists to identify the age or date of the artifact. The soil of the artifact, the layer and what type of site it is all contribute to the factors to determine the age of the artifact.
The answer would be E. With Ford's assembly line he need oil plants and all the natural resources he could find in order to make new cars and everyone needed gas to run all of these new cars that he was making