Answer:
I think it would be B- They thought that the civil war would be a fast and easy victory
Explanation:
Besides the choice didn't sound very likely, the Union army were fighting for the abolition of slavery and of course this also means that they were somehow fighting for the rights of black people.
Answer:
Human's capability to turn into violence for issues that can be solved diplomatically.
Explanation:
For the people who live in that period, the idea of World War I probably sound ridiculous. People thought that they're already passed the age of violence and murder. But they couldn't be more wrong.
World war I might be triggered by the Murder of Archduke Ferdinand of Austria. But the fact that so many countries participated in it indicates that it actually the result of years of political problems, competition to obtain power/influence, and nationalistic pride.
If the countries at the time decided to set aside their egoistical nature and choose diplomatic approach to solve their problems, They could've prevented more than 20 million deaths.
Early in the twentieth century rapid economic and technological change increasing competition among powerful states.
