In January 1854, Senator Stephen Douglas introduced a bill that divided the land west of Missouri into two territories, Kansas and Nebraska. He argued for popular sovereignty, which would allow the settlers of the new territories to decide if slavery would be legal there.
Answer: The war was most defiantly worth it even if the lives of many were lost because the foundations of america were made from that specific war because it abolished slavery and preserved the Union/North. Which today is known as the Republican Party.