Mr. Bradley, boldly ignoring difficulties, has presented his readers with an analysis of the English character and achievement in the various departments of life religion, politics, literature, science, and art which is based upon the racial differentiation into Nordic, Alpine, and Mediterranean.
The challenges are not trivial, and these difficulties have presented important barriers to progress in research on the determinants of dementia incidence and progression.
However, the financial aspect of the marathon effort was not the only difficulty this fundraising initiative has presented.
"Difficulty in obtaining the loan documents has presented a challenge to the enterprises' efforts" to ascertain whether losses at the companies are the responsibility of others, its press release said.
Ever since then, however, the work has presented difficulties to the gatekeepers of the canon.
Yet each of America's recent military adversaries has presented difficulties of its own.
But the explosion of mobile users and ads has presented difficulties.
His Marxist views have proved a real stumbling block to his assimilation in the West, and his use of formalist techniques in the service of entertainment has presented difficulties in the socialist countries.
But because of the novelty of the technology and the inherent difficulties of working with single cells, it has presented a number of technical challenges for researchers interested in exploring biology at this level.
Because of the extreme depth of the ocean in the area of the battle (more than 17000 feet), researching the battlefield has presented extraordinary difficulties.
In France, the DMP project has presented many difficulties that, to date, have prevented its development.
