United States fought against Spain in 1812.
So, your answer is Spain
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The six extermination camps were Chelmno, Belzec, Sobibor, Treblinka, Majdanek and Auschwitz-Birkenau. Auschwitz and Majdanek death camps also used extreme work under starvation conditions in order to kill their prisoners.
The Catholic Church became corrupted, due to its overgrown power. Because of the Pope's overspendings, the Pope started the Sales of Indulgences. The Sales of Indulgences was a scheme to earn more money. It made people spend money so that they/family members go into heaven. This upsetted a reformer, Martin Luther. That started the Reformation. So in summery, the Catholic Church gained to much power ( more than the nobility) and it wanted more money. BTW, this only a little bit of it.
Answer: Electricity helped better communications by powering the radios & the moving-making equipment.
Answer:
Slaves codes were state laws established to determine the status of slaves and the rights of their owners. Slave codes placed harsh restrictions on slaves' already limited freedoms, often in order to preempt rebellion or escape, and gave slave owners absolute power over their slaves.
