Question

look at the text below. if there is an error with subject - verb agreement, select the incorrect verb and type it correctly. otherwise, submit the text without making any changes. until the mid - nineteenth century, the vast majority of butter came from family farms, and most were made by hand.

Explanation:

In the sentence "and most were made by hand", the pronoun "most" refers to "butter", which is an uncountable noun. Uncountable nouns take singular verbs, so "were" (a plural verb) is incorrect. The correct verb should be "was" to agree with the singular subject (butter, represented by "most" here).

Answer:

Until the mid - nineteenth century, the vast majority of butter came
from family farms, and most was made by hand.