Casa Alvarez
... that Casa Alvarez, built in 1790, serves as a "last link to the Spanish occupation of the Upper Louisiana territory"?
... that <b id="mwDVk"><a href="./Casa_Alvarez" id="mwDVo" rel="mw:WikiLink" title="Casa Alvarez">Casa Alvarez</a></b>, built in 1790, serves as a "last link to the Spanish occupation of the <a class="mw-redirect" href="./Upper_Louisiana" id="mwDVs" rel="mw:WikiLink" title="Upper Louisiana">Upper Louisiana</a> territory"?