Question: During the Seven Years' War (1756 1763), the British conquered Guadeloupe and held it for four years.
The British did not participate in the Seven Years' War.

Answer: no

Question: Today official tourist-office advice still tends to be cautious; many areas are relatively safe for independent travel, though it is vital to keep abreast of daily news and best to avoid potential flashpoints such as Nablus and Hebron.
The areas was extremely dangerous in the past.

Answer: it is not possible to tell

Question: If there were actually a threshold, then the shape of the C-R function above the threshold would likely change.
The function would have the same shape above the threshold if there was a threshold.

Answer:
no