Complex sentence: Because Lahoud was Syria's strongest ally in Lebanon, where about 17,000 Syrian troops were still based during his term, under extreme pressure, Hariri and the parliamentary majority voted for the extension of his presidential term until November 2007.
Split into simpler sentences: Because Lahoud was Syria's strongest ally in Lebanon, where about 17,000 Syrian troops were still based during his term. Under extreme pressure, Hariri and the parliamentary majority voted for the extension of his presendential term until November 2007.