Your answer would be C, mainly because the soil near a waterway is very fertile, and before cars, boats were a cheap, easy way of transit.
Hostilities began in 1754 and ended in 1763 that is the reason that it is called the seven years war
Generally speaking, the Industrial Revolution inspired a "heightened" interest in Africa by European nations, since they looked to Africa to acquire most of their natural resources.
If they did not back down then it would ended leading into a nuclear war wiping out most of the population.
Is estimated to have killed 30 to 60% of Europe's total population.<span>In total, the plague reduced the world population</span><span> from an estimated 450 million down to 350 to 375 million in the 14th century.</span>