Where do you put the comma's

You insert a comma to pause in a sentence

Example Sentence: " Let's eat, Mary" rather than "Let's eat Mary"

(you see the difference it makes)

there is no sentence to look at.

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: