Which of these is a cause for the mexican-american war?

In ohio in 1872, the cleveland massacre was a violent labor dispute at standard oil refineries in cleveland. a takeover by standard oil of the refineries in cleveland. an attempt to stop standard oil from becoming a monopoly. a failed attempt by standard oil to take over other refineries.

According to confucius the main goal of schooling was for young men to become? a. gentle men b. warriors c. monks

Ineed with my dbq, i basically just need to bs it the whole way through because my apush teacher sucks but i literally don’t know how to contextualize well and i just need