I think it is that it provided more workers because this is when women started working and got more rights. There were lots of impacts on Canada after the war, but I think that this one is the one.
The correct answer is - Cartography.
Cartography is the sub-discipline of geography that as a main focus has the creation of maps (of various sizes) and globes. People have been developing cartography for over 2,000 years, and over time they managed to slowly improve it, both with the bigger knowledge of the world and with the advancements in technology. For most of the history of the cartography, the maps were made on hand, but in the past few decades it made a huge leap forward with the usage of computer programs, which is much quicker, easier, and more precise.
Answer:
a nuclear weapons treaty (nuclear non-proliferation)
Useful satellite data concerning sea ice began in late 1978 with the launch of NASA's Scanning Multichannel Microwave Radiometer (SMMR) satellite.
