An example is The Fugitive Slave Act. Answer B
The Siege of Vicksburg was important to the Union troops because they were able to take control of the Mississippi River. This allowed the Union troops to cut the Confederacy in half and allowed the Union to cut of supplies/resources to Confederate states.
The Battle of Gettysburg was an important Union win because this was the last time in the Civil War that the Confederate troops truly invaded the North. After this battle they did not invade any state north of Pennsylvania.
The answer is the Preamble, the preamble outlined the founding fathers intentions and was the introduction to the constitution. hope i helped, tag me if you need help
The main reason people in other European countries resisted Napoleon because they didn't want him to take over their country and because of Napoleon's mistakes
The main issue that was debated by Lincoln and Douglas was slavery.