Unrestricted submarine warfare, which became prominent in World War I, meant that submarines could sink any time of vessel at any time without warning. Before this, they had to surface first and place crews on lifeboats.
Answer: Technological developments make knowledge more accessible to different varieties of people from different backgrounds. Another way that technology gives countries opportunities is by providing a faster and more simple way of producing things. For example, factories have machines that people operate. In a factory over a hundred objects can be made in record time. If humans were to make these objects by hand, the process would go slower and less product would be produced. In conclusion, technology provides many countries with various opportunities that enhance the lives of humans everywhere.
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