decidieron
-they decided
The word decidieron is the preterite form of decidir in the third person plural.
See the full decidir conjugation

decidir

Coronel Casey y Agente Walker decidieron unirse a la fiesta.
Colonel Casey and Agent Walker decided to join the party.
Esto no es un juego que ustedes decidieron jugar.
This is not a game that you decided to play.
Ellos decidieron que el Consejo de Seguridad era inútil y superfluo.
They decided that the Security Council was useless and superfluous.
Manuel y su familia decidieron abrir su propio restaurante.
Manuel and his family decided to start their own restaurant.
Más de 2.000 empleados decidieron no sumarse a los secesionistas.
More than 2,000 employees decided not to join the secessionists.
¿Y ellos decidieron guardar esto en secreto hasta esta mañana?
And they decided to keep it secret till this morning?
A pesar de ello, las autoridades legales decidieron perseguir.
In spite of that, the legal authorities decided to prosecute.
Y Lily y Marshall finalmente se decidieron por un tutor.
And Lily and Marshall finally decided on a guardian.
Asombrosos resultados en la mano, se decidieron por un experimento.
Astonishing results in hand, they decided on an experiment.
Los guardianes no solo decidieron hacer esto por su cuenta.
The guardians didn't just decide to do this on their own.
Cinco años después de salir de mi pueblo, decidieron casarme.
Five years after leaving my village, they decided to marry me.
Los Jefes de Estado decidieron celebrar su siguiente Cumbre en Monrovia.
The Heads of State decided to hold their next Summit in Monrovia.
En ese momento, usted y su esposo decidieron detener el tratamiento.
At that point, you and your husband decided to stop treatment.
Y las chicas decidieron convertirlo en un evento anual.
And the girls decided to make it an annual event.
Ambas partes decidieron que debatirían cuestiones relativas a la seguridad.
Both sides decided that they would discuss issues relating to security.
Asimismo, decidieron estrategias para proporcionar información acerca de las minas.
They also decided on strategies to provide information about mines.
La mayoría de los inmigrantes decidieron unirse a la caravana.
Most of the migrants decided to join the caravan.
Por eso, decidieron parar y preguntar dónde estaba el mar.
So, they decided to stop and ask where the ocean was.
Tal vez solo quedaron destrozados y decidieron dejar la fiesta.
Maybe they just got trashed and decided to leave the party.
Julia y Aída decidieron tener un hijo hace ya cuatro años.
Julia and Aída decided to have a child four years ago.
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