estaban dispersando
Imperfect progressive ellos/ellas/ustedes conjugation of dispersar.

dispersar

En este punto, Los Cinco como unidad se estaban dispersando.
At this point The Five as a unit was dispersing.
En ese momento lo único que podíamos hacer era educar a los cuadros que se estaban dispersando.
In this time the only thing we could do was to educate the cadres and they were melting away.
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