Both sides , Union and Confederacy , mobilized their troops, obvious that politics would play a major role. Northerners developed offensive campaigns to preserve the Union. Union’s attention focused directly on Richmond, Virginia, the new capital of the Confederacy. Confederacy’s dedication to defend the Upper South. Southerners hoped that Northerners would get tire of the war and give in to the Confederacy’s demands. Southerners misjudged the Union’s commitment to reunite the nation, and Northerners failed to realize the difficulty of subduing the Confederate army. Southerners attacked Fort Sumter, many northern politicians rallied around Lincoln. Democrat Stephen Douglas, whom Lincoln defeated for the presidency, offered the Republican
