5 sentences with 'challenges'
Example sentences and phrases with the word challenges and other words derived from it.
• « In part, this is because optimists and pessimists face the same challenges and disappointments, but in very different ways. »
• « A symptom of the Sassanid state's success is its longevity in the face of almost constant challenges: it lasted from the Sassanid seizure of power in 220 CE until it was conquered during the Arab invasions in 651 CE. »
• « Quantum theory, developed by physicists in the 1920s, further challenges the Newtonian concept of the predictable universe, arguing that the subatomic particles of matter behave unpredictably, so that the universe, at its deepest level, operates in an indeterminate way. »
• « One woman peppered me, saying that although she had not yet seen the film, she considered my challenges to be "unfair". "You are supposed to tell us whether a film is well made or not," she explained. "Please keep your moralising judgements to yourself. »
• « The opening of borders to migratory flows poses new problems and challenges to modern plural societies. »