The Nuremberg Trials that occurred after World War II were significant because they established the precedent that: a. international peace-keeping organizations could be effective in enforcing international agreements
b. democratic and communist governments could cooperate
c. leaders can be held accountable for their actions in wartime
d. during wartime, Americans’ right to free speech can be limited
e. the United States would assist any nation resisting armed minorities or outside pressures

Although the legal justifications for the trials and their procedural innovations were controversial at the time, the Nuremberg trials are now regarded as a milestone toward the establishment of a permanent international court, and an important precedent for dealing with later instances of genocide and other crimes against humanity.

Explanation:

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after the civil war, and with the termination of slavery, the south was faced with a big problem; what was supposed to happen and how they were supposed to deal with the freedom and the rights that black people and freed slaves had gained as a result of the north defeating the south and forcing the end of slavery. first, most, if not all, of the workforce of the south came from slaves and they did not have an option to replace the loss of said workforce. second, particularly in the south, people were convinced that black people were lesser, less intelligent, less capable and less smart than whites. this posed a huge problem for them. also, southerners were faced with another issue; freed slaves now had a say in how their lives would be lived and the right to politically choose the way they would be governed. people in the south did not want to accept this, none of this and this opposition and the conflicts that arose from it, not to mention the afereffects of the war, forced the congress of the time to enact and enforce the reconstruction plans that had been proposed by president andrew johnson.