Between 1860 and 1877, there were many constitutional changes, and two constitutional continuities.The 13th, 14th, and 15th amendments were all changes to the US constitution which revolved around slavery and the later freed African-Americans. The 13th amendment freed all enslaved people by making slavery against the constitution. The 14th amendment expanded on that by stating all who were born in the US were citizens, so all previous slaves became full US citizens. The 15th amendment finally gave all citizens the right to vote regardless of race, so all slaves now possessed the right to vote. However getting the 15th amendment added to the constitution was so easy. Many African-American soldiers that fought for the union petitioned for this
