Serbia supplied the rebels with weapons so that they could kill the archduke. Austria-Hungary declared war on Serbia. Russia entered to defend Serbia because they both had large Slavic populations. Germany entered to defend Austria-Hungary. Alliances drew other countries in until it was a world war.
Answer:
King Leopold of Belgium grew wealthy by colonizing Congo and brutally forcing people to collect rubber
The Industrial Revolution started around 1750
The Industrial Revolution started in Great Britain
The invention of the steam engine powered machines and allowed factories to be located anywhere
<span>The Japeness Imperial Army.</span>
The story behind the Trail of Tears. That everywhere they cried on the way, a flower grow.
