annexation
... that the Republic of Texas presented a formal proposal for annexation by the United States to President Martin Van Buren, who rejected it?
... that the <a href="./Republic_of_Texas" id="mwA2k" rel="mw:WikiLink" title="Republic of Texas">Republic of Texas</a> presented a formal proposal for <b id="mwA2o"><a href="./Texas_annexation" id="mwA2s" rel="mw:WikiLink" title="Texas annexation">annexation</a></b> by the United States to President <a href="./Martin_Van_Buren" id="mwA2w" rel="mw:WikiLink" title="Martin Van Buren">Martin Van Buren</a>, who rejected it?