Indeed, the primary obstacle to large-scale repatriation now is security.
Many analysts said the primary obstacle to attracting more police candidates was pay.
"Crime is the primary obstacle to development in Latin America," Mr. Maduro said in an interview.
Hungarian control of Belgrade became the primary obstacle to large-scale advances north of the Danube.
Kramer explains that the primary obstacle to this potentially win-win situation is health concerns.
"The primary obstacle to shale gas in Europe is politics," said Mr. Burchett of IHS.
The memo notes: "Mangoma said that a primary obstacle to political progress and reform was the service chiefs.
But, he said in a telephone interview, security was not the primary obstacle to the distribution of aid.
Robert Tisch, a co-owner of the Giants, said the primary obstacle to an agreement was over how much the team would pay to take over the stadium.
"What drives me nuts," he said, " is that the environmental movement itself has become the primary obstacle to reducing fossil fuel emissions.
Shaath criticised Obama's speech for failing to address what he said was the primary obstacle to peace negotiations: the continued construction of Jewish settlements in the occupied territories.
