The ships that <span>carried cannons and attacked British shipping were called "privateers" and this was a way for a nation to both protect its shores and to gain extra revenue. </span>
It kept knowledge from previous ages safe, and passed their creative and inventiveness on to future ages.
D. All of the above according to history.com
They didn't like the person in power, and <span>they betrayed russia to the germans by helping to lose World War I to finance revolution.</span>