Yes, it is protected by the 1st amendment 
        
                    
             
        
        
        
- economic disputes (restrictions of u.s trades)
- Royal Navy’s impressment of American seamen 
(Keep in mind you didn't list any reasons so it would be kind of hard to answer)
 
        
             
        
        
        
"<span>The </span>United States in the 1950s<span> experienced marked economic growth – with an increase in manufacturing and home construction amongst a </span>post–World War II economic expansion<span>. The </span>Cold War<span> and its associated conflicts helped create a politically conservative climate in the country, as the quasi-confrontation intensified throughout the entire decade. Fear of </span>communism<span> caused public Congressional hearings in both houses of </span>Congress<span> while </span>anti-communism<span> was the prevailing sentiment in the United States throughout the period." -Wikipedia</span>