Final answer:
Abraham Lincoln's pledges in his inaugural address focused on preserving the Union.
Step-by-step explanation:
In his inaugural address, Abraham Lincoln made several pledges, all of which were aimed at preserving the Union. He stated that he would go to war rather than let a state leave the Union, thereby indicating his determination to keep the states united. He also promised to preserve the Union itself, which means maintaining the unity of the nation.
Learn more about Abraham Lincoln's inaugural address