Rivers help geographer to understand how civilizations developed in several main ways.
1. If there is a river near an old civilization, you know where the civilization got their water from.
2. The civilization could have used the river for exporting and importing goods.
3. The civilization could have gone extinct or failed because of the river flooding.
French revolutionaries needed to conquer absolute zero.
I would say Social/Religious causes. He is promoting the "Britons" as a benefit to all of humanity even to the point that he is justifying the taking of other's lands. He does not say anything about economic benefits to these people or political benefits, merely that Britons are honorable so they deserve it.
False, the 16th century would be 1501-1600
The tank- providing troops with mobile protection and firepower, Many sources imply that Leonardo da Vinci and H.G. Wells in some way foresaw or "invented" the tank
