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.
The act of giving government jobs to supporters of the party that wins an election is the spoils system.The term was originally to describe goods or benefits taken from the loser in the competition. The term is also common to some countries.
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They migrated to Eurasia, which is the continent of Europe and asia.
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