The Atlantic Provinces have developed differently than the Northwest territories, because a) the Atlantic Provinces have a more temperate climate and are suitable for fishing. Atlantic Canada is defined as "the region of Canada comprising the four provinces located on the Atlantic coast, excluding Quebec: the three Maritime provinces-New Brunswick, Prince Edward Island, and Nova Scotia-and the easternmost province of Newfoundland and Labrador."
The greenhouse effect is related to the increase in the average surface temperature which is considered "global warming". Global warming is the result of an increase in gases like methane, carbon dioxide, and other factors that lead to a rise in the planet's temperature.
it proposed sustainable development
I believe it is East and West Germany because it has to do with the Berlin Wall which seperated Germany.