Part of the difficulty in establishing order is the limited size and numerous tasks of the American military force.
Their falling-out, diplomats say, also reflects the difficulty in establishing a bond between two sharply different men.
The examples of shamanism and Hindu and Daoist mysticism demonstrate the difficulty in establishing a single definition of mysticism.
The Nonaligned Movement experienced considerable difficulty in establishing a unified policy on many issues in international affairs.
Clintons recognised that the secrecy around Essar meant that even the duchess's own solicitors would have difficulty in establishing the company directors' names.
Why else would there be such difficulty in establishing answers to questions about, for example, the motive for the bombing of a Pan Am flight?
For those who are bi, though, I can certainly understand the difficulty in establishing your identity in a simple and honest way.
The murky information about drones and their targets reflects the difficulty in establishing exactly what happens in an area too dangerous for independent observers to explore.
The difficulty in establishing distinct language boundaries is the result of a gradual and continuous migration of peoples that has produced a complex pattern of merged ethnic groups.
The difficulty in establishing contact in nanostructures limits progress.
Conversely, key informants discussed difficulty in establishing local buy-in and participation from community members.
