World War 1 was sparked by the assasination of Archduke Franz Ferdinand of Austria.
The Paleozoic Era ran from about 542 million years ago to 250 million years ago. Hope this helps!
Probably the main reason Africans, rather than Native Americans, became slaves in America was that "<span>A. Africans were already adapted to slavery," since the slave trade was already vibrant in Africa. </span>
I believe the war was inevitable.
At that time, having slaves were considered a normal norm. The majority of southern states economy was built on the foundation of slave labor.
Even if we set aside the morality factors, The southern people aware that eliminating slavery would force the southern states into economic crisis.
so, the only way for our country to eliminate the slavery is through force.