<span>The correct answer is a) building a modern navy to break the Union blockade. Due to this blockade, the Confederacy suffered a food shortage. Additionally, the Union was able to divide the Confederacy after winning several key battles in the middle of their territory. Since the Confederacy was being defeated on land, they decided they would focus on their navy in order to defeat the Union by sea. Clearly, this didin't work.</span>
All of the following were United States presidents except "<span>C.William Seward," since although he did indeed run for the office of President, he instead ended up serving under President Lincoln. </span>
