91.   Although slavery was central to decision by the Southern states to break away from the Union, many causes over the years led to conflict.

92.   Although prompted by contemporary concerns, naming God by the feminine is central to many religious traditions.

93.   Although the allegations about Bush and the legislators are central to the lawsuit filed by Eliza May, the state officials are not named as defendants.

94.   American Express executives say expanding outside the U.S., especially in credit and charge cards, is central to plans to boost profit in the years ahead.

95.   Aluminum companies are central to the debate because they were built in Siberia to take advantage of the low power costs.

96.   An understanding of chance and probability are central to developing an effective strategy.

97.   An understanding of hemagglutinin and neuraminidase is central to preventing and fighting flu.

98.   And as information becomes central to economies, the incentives for tyrants to wage war are diminishing.

99.   And he framed his many trips to Florida as central to his election, which he is casting increasingly as a moral imperative.

100.   And he is central to congressional decisions on legislation affecting banking and Wall Street.