The Portuguese ( is , are ) known to speak differently .
What is the answer ?

Are

Explanation: If a word is plural, such as Portuguese, it is are. If it is singular such as the word country, it would be is, such as "The country is very large"

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:

in this excerpt, the uniqueness of laura’s speech is revealed by her word usage