Why Is Management of International Human Resources More Difficult Than

Why is management of international human resources more difficult than directing human resources at the domestic level?

A) the complications that arise from political, cultural, legal, and economic differences between countries
B) the challenge posed by managers in other countries that aim to achieve global objectives for the company no matter the costs imposed on national objectives
C) the greater similarity among foreign subsidiaries than among domestic subsidiaries in terms of dependence on headquarters for resources
D) the complications posed by dealing with competing agendas from different labor unions in different countries