SELECT e.first_name||' '||e.last_name, d.department_name, c.country_name
FROM countries c, departments d,  locations l, employees e
WHERE c.country_name LIKE ('United States of America')
INTERSECT
SELECT e.first_name||' '||e.last_name, d.department_name, c.country_name
FROM countries c, departments d,  locations l, employees e
WHERE d.department_name IN ('IT', 'Accounting')
AND e.department_id=d.department_id;