Final answer:
President Lincoln proclaimed a naval blockade, issued greenbacks, and established a national draft without the approval of Congress.
Step-by-step explanation:
President Lincoln took several actions without the approval of Congress. One of these actions was proclaiming a naval blockade of the South in 1861 as a way to limit the Confederacy's trade and resources. He also issued greenbacks, which were paper money not backed by gold or silver, as a means to fund the war effort. Additionally, Lincoln established a national draft in 1863 to ensure a steady supply of soldiers for the Union Army.
Learn more about President Lincoln's actions without the approval of Congress