The following sentence contains an error with subject verb agreement select the incorrect verb there is several baseball franchises, including the Chicago Cubs and the St. Louis Cardinals the date back to the 1870s and 1880s, which one is the incorrect verb is it is or including or several or date which one is the answer
The incorrect verb in the sentence is "is".
The correct verb should be "are" to agree with the plural subject "several baseball franchises".
So, the corrected sentence would be: "There are several baseball franchises, including the Chicago Cubs and the St. Louis Cardinals, that date back to the 1870s and 1880s."