At least nine people were hospitalized, according to a spokesman for the National Constitutional Assembly, an umbrella group of civic organizations, which organized the demonstration.
Dan Weeks, the director of the anti-super PAC organization New Hampshire Rebellion, which organized the event, said that every seat in the tent was filled.
Washington intervened in 2001 to destroy al-Qaeda, which organized the 9/11 attacks, and oust the Taliban government, which hosted the terrorist organization.
The foundation, which organized the exhibition, declined to comment on the fee paid to the Modern.
The Republican National Committee, which organized the reception, would not release the guest list.
Mr. Topalov, a Bulgarian, was the champion of the World Chess Federation, which organized the match.
Selections come from the collection of the Smithsonian Institution's National Portrait Gallery, which organized the exhibition.
The center is a project of the September 11th Families' Association, which organized the care packages.
The Gulf Relief Foundation, which organized the event, did not immediately release a fund-raising total.
A spokesman for Ekta Parishad, or Unity Council, which organized the march, said it had registered 25,000 participants.
"We were tired of demonization," said Dr. Shaikh Ubaid, a spokesman for the Muslim Leadership Council, which organized the rally.
