When Lincoln became president, he faced the highly combustible situation of the American Civil War. As the first president to face such difficult challenges, Lincoln did not act rashly, but devoted himself to preserve the Union at all costs, even if it meant being accused of dictatorship. Lincoln proved himself a capable leader, preventing the South from seceding and then moving the nation toward "a more perfect union." Before Lincoln reached the national capital, Jefferson Davis was already inaugurated as President of the Confederate States of America. Civil War was close to breaking out following the event of Fort Sumter. Since congress was not in session, Lincoln had to take immediate action, calling up militia and compiling money to be spent; Lincoln just took the necessary actions in a time of emergency. He was "commander-in-chief," which granted him some authority; on top of that the limits of execute war power were not clearly defined, so Lincoln cannot take full blame. He undoubtedly acted thinking of the consequences; this was the best path to take.
Even with issues concerning slavery, Lincoln made each decision after carefully thinking them over. He tried hard to balance his desire to save the Union with his desire to free the slaves. Although he had a personal conviction towards extinguishing slavery, Lincoln chose to do what was or advantageous rather than for what he believed