400
HAITI'S RECENT EARTHQUAKE HAS PROVIDED A ______ FOR MIGRATION AWAY FROM THE NATION. LACK OF HOUSING AND ECONOMIC DEVASTATION HAVE JOINED TO CREATE A WORSENING SITUATION FOR ONE OF THE WORLDS POOREST COUNTRIES. MANY OF THE PEOPLE WHO MIGRATED WANTED TO MOVE TO THE UNITED STATES. THIS ____ WAS DUE TO THE BELIEF THAT JOBS, HEALTH CARE, AND EDUCATION WERE AVAILABLE.
WHICH WORDS COMPLETE THE SENTENCE ABOVE.
PUSH FACTOR AND PULL FACTOR