In 313 AD, the Emperor Constantine issued the Edict of Milan, which accepted Christianity: 10 years later, it had become the official religion of the Roman Empire.
The price of resources that go into the production of a good will affect the price of the good.
The most significant effect that the U-boat attacks had on fighting land was that they were able to destroy the enemies vital supplies.
I think that the heat will not be able to maintain itself enough and the cold gases of the space could freeze earth and we would not be alive.
Hope this helps