Mỹ thừa nhận khó khăn ngoại giao trong thế giới đa cực
Cập nhật: 13:52 23/04/2014 GMT+7
Ngoại trưởng Mỹ John Kerry ngày 22/4 đã thừa nhận ngành ngoại giao Mỹ đang đứng trước những khó khăn hơn nhiều so với thời kỳ Chiến tranh Lạnh trước đây.
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geG6teG7gTnhu7Ft4bq14buBbTnhu7Ft4buz4buBOeG7gXjhurM54buTceG7sTnhu7Hhu6nhurvhu7E54bux4bu3OeG7sW3DrDlsbnVuOeG7g+G6sznhu4Hhu7fhu4EiMi/FqTMyxak54buB4buR4bqz4bur4burITjFqeG6vuG7leG7h+G6ojgz4buwbeG7heG7lTnhu7Dhu7AkI+G7mDIvxakz