naval blockade
... that in the mid-nineteenth century Argentina successfully resisted a two-year naval blockade by France?
... that in the mid-nineteenth century <a href="./Argentine_Confederation" id="mwA38" rel="mw:WikiLink" title="Argentine Confederation">Argentina</a> successfully resisted a two-year <b id="mwA4A"><a href="./French_blockade_of_the_Río_de_la_Plata" id="mwA4E" rel="mw:WikiLink" title="French blockade of the Río de la Plata">naval blockade</a></b> by <a href="./July_Monarchy" id="mwA4I" rel="mw:WikiLink" title="July Monarchy">France</a>?