What caused the united states's involvement in the mexican revolution? a. revolutionaries attacked el paso. b. mexican troops raided columbus, new mexico. c. pancho villa recruited american troops. d. mexicans troops established a base in texas.

Which is the most accurate description of the executive office of the president? groups of advisers who the chief of staff groups of advisers who the president groups of advisers who oversee national security groups of advisers who oversee the economy