The answer would be B, back then the battle of Gettysburg was the one of the big mistakes that General Lee made throughout the war, basically after the battle it was known by everyone that the south was going to loose the war
"During both periods, Congress passed laws restricting the civil liberties of American citizens that met with overall public support" is the one statement that <span>explains how the Red Scare of the 1920s and the Red Scare of the 1950s were similar. The correct option among all the options that are given in the question is option "A".</span>
The awnser is becasue the nations were united