Endorsement of a GOP candidate sends Carly Fiorina trending in the U.S. [video]

And if you’re wondering why, it’s because the former GOP presidential candidate has made an endorsement in the Republican race:

Carly Fiorina Endorses 'Fearless Fighter' Ted Cruz For President https://t.co/9FGUhfX71V

— NPR Politics (@nprpolitics) March 9, 2016

Fiorina on Cruz: "It is time to put a real constitutional conservative in the White House"https://t.co/4QxDidGBCc pic.twitter.com/bQwGTavRws

— Olivia Messer ? (@OliviaMesser) March 9, 2016

https://twitter.com/LadyLiberty1885/status/707607126567473153

WATCH: @CarlyFiorina: "It is time to unite behind Ted Cruz" https://t.co/v1QVig5ZHs https://t.co/Eg1QtiOdlN

— ABC News Politics (@ABCPolitics) March 9, 2016