ASAP PLEASE Which of the following would be an effective way for Mexico to decrease the number of its citizens migrating away from the country?

A.
Guatemala builds a wall across its border with Mexico.

B.
Mexico enforces fewer anti-drug laws.

C.
United States increases anti-poverty efforts for residents of the USA.

D.
Mexico uses tax money to build more schools.

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting