Shows the situation of Japan after the bombing.
On the night between March 9 and 10, 1945, 334 B-29 bombers rained hell over the densest city on the planet. Nearly half a million incendiary bombs hit Tokyo in Operation Meetinghouse, probably the worst mass bombing of civilians by aerial bombing ever. Their numbers, estimated between 80,000 and 140,000 fatalities, are, on average, worse than those in Hiroshima (70,000 to 122,000).
Answer:
The correct option is D) Investigational Device Exemption requirements
Explanation:
An Investigational Device Exemption allows the usage of an investigatory device for safety and collecting effective data which is required for premarket approval. Clinical evaluation for devices that have not been used for marketing requires an Investigational Device Exemption (IDE) approved by the institutional review board (IRB). Investigations which are done under the IDE regulation require different regulatory controls according to the level of risk.
It is a historical term indicating trade among three ports or regions.
I think this is why, but hope it helps :)
