The root cause of the American Civil War is perhaps the most controversial topic in American history. Even before the war was over, scholars in the North and South began to analyze and interpret the reasons behind the bloodshed.
The scholars immediately disagreed over the causes of the war and disagreement persists today. Many maintain that the primary cause of the war was the Southern states’ desire to preserve the institution of slavery. Others minimize slavery and point to other factors, such as taxation or the principle of States' Rights.
In 2011, at the outset of the sesquicentennial, a Pew Research Center poll found that Americans were significantly divided on the issue, with 48% saying the war was "mainly about states' rights," 38% saying the war was "mainly about slavery," with the remainder answering "both equally" or "neither/don't know."
The victory at the battle of Antietam gave Abraham Lincoln a platform to issue the Proclamation from a position of strength. This changed the character of the Civil War and prevented the European powers from intervening on behave of their trading partners of the Southern Confederacy.
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The new leadership of the party experimented with greater economic flexibility.
The imperialism in Africa and Asia by the European countries had long lasting effects in big portions of these two continents, some being positive and some being negative.
The positive impacts were that the European imperialists built a lot of infrastructure in the countries they controlled. They also allowed the locals to be able to learn the Western ways of functioning, diplomacy, politics, the way their economy works. Multiple industries were developed, or at least the basics for them were set.
The negative impacts were the usage of the resources of the countries for the purpose of the European motherlands, thus taking the profit out of those countries. The borders set by the Europeans were in accordance to their interests, not the local populations, which created a very big problem further on when those countries gained independence, and lot of different ethnic groups and different religions found themselves in the same borders.
It is hard to evaluate which impact outweighing because there has been some countries that used very well the things that the Europeans left and thought them (China and Thailand for example), while others went into a direction to destroy everything the Europeans left and thought them (Zimbabwe and DR Congo for example).
<span>They all set down basic ethical principles for humans to follow.</span>