Answer:
The abolitionists effectively spread their message of freedom through newspapers like William Lloyd Garrison's “The Liberator” and by organizing a cadre of anti slavery lecturers, many of whom were formerly enslaved like Frederick Douglass, who traveled throughout the country, often at great personal risk, to highlight.
Nationalism led to the assassination of the Archduke of Austria Franz Ferdinand. he was assassinated by Gavrilo Princip, a Serbian Nationalist.
The answer is A: It included Western Europe, the Balkans, North Africa, and parts of the Middle East.
It was factory system assembly because then they had lots of companies that would make weapons for them