It's answer C: Brown V Board Of Education
The battle between the USS Monitor and the CSS Virginia was significant because it was the first battle that used ironclad ships.
This battle, known as the Battle of Hampton Roads, took place in March of 1862. This newly developed technology had never been used in American warfare up to this point. There was no clear winner of this battle. However, it is remembered because it changed the way naval battles would be fought by the US military.
The correct answer for this question is this one:
"The three most severe downturns in the united states economy since the 1920s is very a big challenging for the economy. It required them to double their effort to catch up. The economy is very important to the nation."
