It is A. city blocks laid out in a grid pattern and C. a standardized system of weights and measures.
I believe that the answer is B
A and B, they pillaged and traded with other countries throughout the course of history, and in order to do this they needed to travel by water given that trees were readily available to make boats. This helped them survive throughout history.
Because she was no longer a slave, it felt to her as if she was a new person. she felt free.
