parias
... that during the 11th century, Christian kingdoms of medieval Spain gained considerable wealth by collecting parias from the taifas of al-Andalus?
... that during the 11th century, <a href="./Reconquista" id="mwDGM" rel="mw:WikiLink" title="Reconquista">Christian kingdoms</a> of <a href="./Spain_in_the_Middle_Ages" id="mwDGQ" rel="mw:WikiLink" title="Spain in the Middle Ages">medieval Spain</a> gained considerable wealth by collecting <i id="mwDGU"><b id="mwDGY"><a href="./Parias" id="mwDGc" rel="mw:WikiLink" title="Parias">parias</a></b></i> from the <i id="mwDGg"><a href="./Taifa" id="mwDGk" rel="mw:WikiLink" title="Taifa">taifas</a></i> of <a href="./Al-Andalus" id="mwDGo" rel="mw:WikiLink" title="Al-Andalus">al-Andalus</a>?