The past progressive is most useful when?
a. when an action happened in the past
b. when an action was uninterrupted in the past
c. when an uninterrupted action happens
d. when an action gets increasingly common
i have read that past progressive are interrupted actions so that only leaves a anddoes anyone know the correct answer

"such has been the patient suffrence of these colonies; and such is now the necessity which constrains them to after their former systems of government. the history of the present king of great britain is a history of reapeated injuries and usurpations, all having in direct object the establishedment of an absolute tyranny over these states." which statement best describes the excerpt