Gibbons v. Ogden -- interstate commerce
I believe the answer is: <span>be difficult to assure that the use of information gathered would do no harm
Anthropology studies the cultures and habbits that exist in a certain society and make a conclusion based on their observation.
There are a lot of cases when the conclusion of their observation is wrong and could ignite conflicts between different social groups. To prevent such things from happening, the rule above was created.</span>
Menelaus asks his brother, King Agamemnon, for assistance.
The Churchill Crocodile was a British flame-throwing tank of late Second World War. It was a variant of the Tank, Infantry, Mk VI (A22) Churchill Mark VII, although the Churchill Mark IV was initially chosen to be the base vehicle.
The Crocodile was introduced as one of the specialised armoured vehicles developed under Major-General Percy Hobart, informally known as "Hobart's Funnies". It was produced from October 1943, in time for the Normandy invasion.