year in the Vietnam war
... that 1968 was the deadliest year in the Vietnam war for the United States and its Vietnamese allies?
... that 1968 was the deadliest <b id="mwBHo"><a href="./1968_in_the_Vietnam_War" id="mwBHs" rel="mw:WikiLink" title="1968 in the Vietnam War">year in the Vietnam war</a></b> for the United States and its <a href="./South_Vietnam" id="mwBHw" rel="mw:WikiLink" title="South Vietnam">Vietnamese</a> <a href="./Army_of_the_Republic_of_Vietnam" id="mwBH0" rel="mw:WikiLink" title="Army of the Republic of Vietnam">allies</a>?