corrupted — guilty of dishonest practices, as bribery; lacking integrity; crooked: a corrupt judge.
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.
kept — simple past tense and past participle of keep.
remained — to continue in the same state; continue to be as specified: to remain at peace.
polluted — made unclean or impure; contaminated; tainted: swimming in polluted waters.
