Classical Liberalism Is A Type Of Liberalism. Liberalism Goes Into Classical Liberalism & Neo-Liberalism. There Different Because Of How They Believe In The Economy.
Classical Liberalism - Welfare, Higher Taxes To Rich, Universal Healthcare, Etc.
Neo-Liberalism - Free Market Capitalism, Corporate Healthcare, Equal/Lower Taxes To Rich, Etc.
So Classical Liberalism Believes The Government Should Help/Control The Economy But Neo-Liberalism Believes In A Free Market Economy.