encouraged — Simple past tense and past participle of encourage.
expanded — Being or having been enlarged, extended, or broadened, in particular.
helped — to give or provide what is necessary to accomplish a task or satisfy a need; contribute strength or means to; render assistance to; cooperate effectively with; aid; assist: He planned to help me with my work. Let me help you with those packages.
liberated — to set free, as from imprisonment or bondage.
loosened — to unfasten or undo, as a bond or fetter.
opened — not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.
permitted — to allow to do something: Permit me to explain.
released — to free from confinement, bondage, obligation, pain, etc.; let go: to release a prisoner; to release someone from a debt.
unblocked — to obstruct (someone or something) by placing obstacles in the way (sometimes followed by up): to block one's exit; to block up a passage.