1.   And for as as long as New Hampshire has been first, other states have sought to challenge its primacy, moving up their own primary dates.

2.   He announced that he would create a new political party to challenge the primacy of the Nationalists.

3.   The young ruler promptly announced a new order of things and set out to challenge Saudi primacy in the Gulf region.

4.   That has enabled the Europeans to play a useful role, complementing but not competing U.S. diplomacy without challenging its primacy.