Answer:
They spread when the virus is attached either to software or document and is transferred over to another computer using a disk,file sharing method or though email attachments.
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In the seventeenth and eighteenth centuries, the primary goal of mercantilism as practiced by European countries was to expand the supply of gold and silver by approving balance trading. Mercantilism is an economic nationalism that promotes to in creating a wealthy and powerful state.
Since he never had an accident during the period, the premiums he paid were Expired
When you buy a premium from an insurance company, they will give you some sets of clauses which gives the condition within a specified period of time for the insurance to be paid.
If the none of the clauses were met during the period, your premium will expire , unless you renew it with your insurance company