Answer:
In order to prevent crashes, pedestrians must walk in the cross walk, make them selves known and seen to people driving, and must abide by the rules. This relates to BLM in a few ways. People of color must make them selves known & always have their body visable, in order to stay safe.
Maybe gravity? There are enough letters for it, and it’s true. Could possibly be the answer, wish you luck!
This is true. They took jobs in the north in factories for low wages. This increased the amount of industiralized areas. True.