This is a trend which has been speeding up in recent years: multiparty politics is here to stay.
That is part of a trend, which has been encouraged by Labour's indulgent attitude to religious education.
The success of Suzanne Collins's The Hunger Games in particular has set a trend which has been enthusiastically embraced by writers in both the UK and the US.
NC: It's a trend which has developed towards the centralisation of power in the executive which I don't think is a healthy development.
This trend – which has serious implications in terms of access to food, water and housing – is the focus of World Population Day, held this year on 11 July.
"Shoppers chose to buy a little bit more this Christmas compared with last year, a trend which has pushed sales growth up to 0.6%.
The beheading is part of an alarming trend, which has seen the kingdom execute seven people in the first two weeks of this year.
Companies, and even societies, have become less hierarchical, a trend which has been under way for decades but which seemed to accelerate in the 1990s.
The poll confirms the recent overall trend, which has seen Labour's lead over the Tories cut markedly since early in the year.
A host of famous women including the pop stars Beyoncé and Rihanna, model Cara Delevingne and X Factor judge Cheryl Cole have taken part in the trend, which has spread across Facebook, Instagram and Twitter.
Contribute with Guardian Witness Such is the scale of Eritrea's human rights abuses that more than 5,000 people leave the country every month, according to the UN, a trend which has risen sharply in recent months.
