The primary meaning behind White Man’s Burden is that white people were “burdened” with the responsibility to “educate” and “civilize” the non-white people. It essentially justified imperialism for the white people taking control over non-whites (colonial territories). This can be connected directly to ideas of assimilation in the sense that by this ideology, the white people wanted to repress the cultures of the non-whites in order to assert their own upon them.
The answer is eight years
the lack of new factory jobs in the North" was not an economic problem facing the United States at the end of the Civil War. The others were all quite serious problems.
Liberal democracy proved to be a failure due to many economic problems that the world faced and the way that wars were being handled. People understood that government should have higher power in order to make sure that things like the great depression doesn't happen, while also understanding that a mass militarization is necessary in order to be capable of fighting a war as great as the first world war.
The Haitian people eventually gained independence from France and became the first nation established by former slaves as a result of their struggle. The excesses of that despicable treatment were the very reason for the success of the Haitian Revolution: the treatment of slaves and Mulattoes in Haiti was so terrible that it prompted the most violent and eventually victorious slave insurgency in history. The Haitian Revolution was the first and only slave rebellion that resulted in the creation of a free state governed by non-whites and former slaves, free of slavery. This achievement needs to be remembered as one of history's major transformations in today's culture.