despite important role that has parties volition in the contract based on article 191, contract espousal will be achieve bused on advisable something that is under contract the important role that has silence in the contract may not be responsible but in practice has very legal effects for contract parties. Legal volition is formant from implication and adoption since silence is not, silence only can be symbolic adoption with possess qualification in the country low like American and England not taken in to account silence ancient proverb adhesion mark as a legal low, And only silence cannot obligatory implication.
