estaban expropiando
Imperfecto progresivo para el sujetoellos/ellas/ustedesdel verboexpropiar.

expropiar

Reunió a un ejérctio a finales del siglo XIX para ayudar a los campesinos a defenderse y aferrarse a las tierras que los grandes terratenientes, partidarios de la corrupción general que reinaba en México entonces, estaban expropiando.
He put together an army at the end of the 19th century in order to help the peasants defend themselves and hold onto their land, which were being expropriated by large landowners, supporters of the corrupt general who was governing Mexico at the time.
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