https://www.usatoday.com/story/news/nation-now/2018/02/08/column-why-america-cant-get-over-slavery-its-greatest-shame/1000524001/ check this site out it has some pretty good reasons you can use
A bicameral legislature features "<span>D. two legislative bodies," since it is thought that this leads to more inclusive and democratic process. This is the system in the United States and Britain as well. </span>
<span>The Union army occupied the South to ensure that African-American freedmen enjoyed their full civil and political rights.</span>
New Orleans was one of the most important port cities in the U.S. at the time.