According to the author, what is the relationship between students’ use of materials and understanding mathematical concepts? Cite evidence from the text in your answer.

in the 1890s, southern states enacted a new form of black codes, called “jim crow” laws. these laws made it illegal for blacks and whites to share public facilities. this meant that blacks and whites had to use separate schools, hospitals, libraries, restaurants, hotels, bathrooms, and drinking fountains.

explanation:

it'd be the heavy rain and the town council, or b and d.

is there any answers choices? l can try to you if there is answer choices to this question,so sorry