Our actions affect not only us, but the environment around us.
Theme or Topic?

Theme

Explanation:

Theme is the overall message of the story/passage. This saying tells us a lesson learned about the overall story. It would not be topic because if it was, it would be a brief word or two about the whole story/passage.

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dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.

they bound logs together and built a raft. enkidu steered it down the great river. gilgamesh carried humbaba's head.