Sentence examples for has presented serious from inspiring English sources

Connect to Today: The war in Afghanistan has presented serious strategy challenges for the United States military.

The young Iranians' quest for democracy has presented serious challenges not only to the status of the doctrine of the "Velayat i Faqih" and questions of its legitimacy, but also to the reform movement and its democratic authenticity.

"The ubiquitous use of digital electronics, alongside government capacity to access the data and footprints that all such devices leave behind, has presented serious challenges to confidentiality and anonymity of sources and whistleblowers," Kaye wrote, alluding to cases like that of Sterling, the former CIA operative, that involved the use of metadata.

Recent setbacks at the hands of U.S.-backed Kurdish forces have presented serious challenges, operationally and symbolically.

While Down syndrome may have presented serious challenges back in the seventies ― that some justified as a ground for screening ― the truth is that a baby born with Down syndrome today can look forward to a long, healthy and busy social life filled with lots of opportunities and ample room to follow their dreams.

In 2010, Kawakami et al. worried that "[a]lthough direct, quantitative effects are difficult to demonstrate, it seems reasonable that these regulatory delays have presented serious challenges to Japanese researchers working, or seeking to work, in these fields, and ultimately impeded progress and competitiveness".

The Brotherhood dominates the parliamentary committees and has presented no serious proposals for economic or institutional reform.

No issue is of more concern to the Nordic right than immigration, which has presented a serious challenge to the Scandinavian welfare-state model.

Susceptibility of polymer surfaces to acute visibility upon scratching has presented a serious challenge to the polymer industry for quite some time.

The blurred lines between the pro-Russia militia gunmen and their unarmed civilian supporters, who often appear side-by-side manning barricades and occupied buildings has presented a serious dilemma for those leading the military assault against the rebels across the region.

HIV has presented a serious challenge to health and development since it was reported in 1980s.