The phrase "a powerful call to" is correct and usable in written English.
It can be used when referring to a strong invitation or encouragement to take action or adopt a certain mindset.
Example: "The speaker delivered a powerful call to action, urging the audience to participate in the upcoming community service project."
Alternatives: "a strong appeal to" or "a compelling invitation to".
It's a powerful call to action with its deservedly angry girls.
Yet the worrying trends he describes make this book a powerful call to arms to those who do not want a world awash with mercenaries.
Barack Obama used his second-term inaugural address to issue a powerful call to action, as he embraced an unashamedly liberal agenda and urged Americans to reclaim from conservatives the spirit of the founding fathers.
Featuring our own world champion, the ever eloquent Emma Pooley, plus Marianne Vos, the most decorated female cyclist riding today, the documentary is a powerful call to the UCI to get its house in order.
Antony Hegarty has condemned the "genocide" of indigenous peoples in the US and Australia during an appearance at Dark Mofo festival in Tasmania, where she issued a powerful call to arms for action on Aboriginal rights and climate change.
The 10-day festival in Suffolk also includes the European premiere of 26-year-old Laura Poliakoff's Clockwork, described as "a powerful call to arms for a generation of 20-year-olds not considering their own age".
The continued mixed results seen in the Index year to year and over time serve as a powerful call-to-action to renew our efforts to expand access to the American Dream for the rising generation.
What if "buy me I'm better" was a more powerful call to action than "sharing my story"on Twitter.
There was a powerful call at the start for Britain to intervene on behalf of Ali Mohammed al-Nimr, a young Saudi pro-democracy protester sentenced to death by beheading and crucifixion.
If, as the Human Rights campaign suggests, it is a matter of cities v states in the march towards inclusivity, then an international policy recommendation document like the New Urban Agenda would be an unprecedentedly powerful call to LGBTQ inclusion around the world.
And their bodies dancing together in communities - connected across the world in this global movement that is using art as a glorious, fierce and unshakable force of resistance - is a strong and powerful call to overhaul and change our current systems of violence and greed," stated Eve Ensler, One Billion Rising Founder & Monique Wilson, One Billion Rising Global Director.
