The correct answer is A. The invention of the cotton gin.
Explanation
A cotton gin is a machine created during the late 18th century that has the utility of separating cotton fibers from their seeds and other objects attached to it quickly and easily. The invention of this machine contributed to the strengthening of slavery because it allowed the landowners of the south to start the domestic production of cotton cheaply and easily. However, once the export demand for cotton grew in the north and other countries, the landowners of the south acquired more slaves to supply that demand for cotton. This deepened slavery because none of the southern landowners wanted to set free the African-Americans who were bringing them huge profits from their work. So the correct answer is A.
The reason that apparently prevented archaeological digging at the supposed site of James Fort was that until 1996, it had been thought that James Fort had been built on the swampy edge of the James River but as it turned out, James Fort was located near Mitchell on South Dakota.
Answer:
articles from magazines, journals, and newspapers after the event
Explanation:
it was published directly after said event had happened, making it a thorough secondary source
<span>The United States wasn't a country in 1609. Maybe it has to do with the suppressed colonies vs. a new, unified country with a stable government.</span>