Adverb
because of prevailing conditions
Source: WordNetunder the circumstances I cannot buy the house Source: Internet
Absent is any hint of the subsequent political history of Portugal, ruled by a right-wing dictatorship for much of the 20th century; under the circumstances, this is hardly a surprise. Source: Internet
According to SB 1070, law-enforcement officials may not consider “race, color, or national origin” in the enforcement of the law, except under the circumstances allowed under the United States and Arizona constitutions. Source: Internet
Although the vaccine likely won’t be available “this season,” Pence said, work was proceeding as quickly as possible under the circumstances. Source: Internet
Curtis (2011) p. 873. Brendan Gill of The New Yorker wrote that Tracy gave "a faultless and, under the circumstances, heartbreaking performance." Source: Internet
As I’ve already stated, the market reaction has been fairly subdued under the circumstances. Source: Internet