This problem may be posed in some different ways, which lead to pressing questions. For example:
--If historical events are merely the result of “impersonal forces” or “objective” causes, then people and leaders are not morally responsible for their actions? Bloody dictators, demagogues and corrupt leaders, as well as intolerant and violent groups, may end being absolved!
--Does human freedom affect the chain of historical events? Even more, does something like “human freedom” exist at all, at least from a historical point of view?
--Can “accidents” or “chance” alter in a permanent way the history of a nation?
These dilemmas were the focus of a famous controversy between the historian Edward Carr and the philosopher Isaiah Berlin. In an essay, Historical Inevitability (1954), Berlin emphasized the importance of the accidental and the individual’s free will and responsibility. Carr, in What is History? (1961), defended the role of necessity in historical events.
What do you think? Could you give an example?
See:
--Carr, E. H. (1961). What is History? London, Macmillan..
--Berlin, I. (1954). “Historical Inevitability”, delivered on 12 May 1953 at the London School of Economics and Political Science (London: Oxford University Press) [I got this essay in Hardy, H., ed. (2002): Liberty. Incorporating Four Essays on Liberty. New York: Oxford University Press, pp. 94-165]