>Lack of free trade mean highly ineffective allocation of resources in comparision to Pareto-efficiency
>Spontaneous nature of economic relations meant that planning was essentially impossible, making matters even worse
>Effective competition with free trading nations was impossible, neccesarily leading to protectionism, which made matters much more worse
>Lack of economic freedom meant that political freedom was of little value as well, leading to authoritarianism and one-party regime
>Imposition of reforms during Glastnost' towards social democratic state of the union lead to extremely nationalist forms of government having to barrier to speech and public agitation

Society needs free trade to function and prosper. The problem is how to combine this fact with demands of justice for the least well-off class. I believe that social democracy is the only adequate answer to this antinomy.