But The Times investigation indicated that the push to get the ballots in quickly only aggravated a problem that had concerned the Bush camp: 17percentt of military ballots arrived without postmarks, despite military regulations that require all mail to be postmarked.
For Mr. Zuma, who made jobs the cornerstone of his campaign, the recent surge in unemployment to 23.5percentt not only complicates his ability to fulfill his promises, but also aggravates a problem that has long bedeviled the governing African National Congress: extreme levels of joblessness that have persisted even when South Africa, the region's richest nation, was growing robustly.
But Ms. Weingarten and many teachers at the rally asserted that the city's demands would make life harder for teachers and would aggravate a major problem facing city schools: attracting the thousands of certified teachers it needs.
That is unlikely to survive if they have nothing more important to do than lobby on issues such as health and safety.Promoting flexibilityFor employers in many countries, slower price rises aggravate a broader problem.
Andy Roddick, the American who has been one of the most committed Davis Cup players, announced in January that he would not play in the competition this season because he was concerned that too many surface changes might aggravate a knee problem.
Midfielder Jay Spearing had to be substituted after 12 minutes because of an ankle injury and his replacement Jonjo Shelvey appeared to aggravate a knee problem.
But Dr. Robert A. Bitterman, an emergency physician at the Carolinas Medical Center in Charlotte, N.C., said: "The new rule could aggravate an existing problem.
Impala said last week that it welcomed the commission's "very strong" objections to the merger and that they reflected the concerns of independent labels that a merger of two of the five leading companies would "disproportionately aggravate" an existing problem of collective dominance.
It may aggravate a preexisting pain problem and other associated problems (e.g. problems in school, emotional distress) thereby becoming a condition that requires treatment.
In the second game of the regular season, he aggravated a back problem, saying it had become sore because he was compensating for the knee problem in the preseason.
Rockets Coach Rick Adelman said McGrady aggravated a knee problem.
