Certain countries managed to spread their power to far-away territories in four centuries by controlling the sea and developing maritime industry. Nations were oppressed. Territories were occupied.
Wadanda suka sami damar tabbatar da ikonsu a teku tsawon karnonin da suka gabata - wato kimanin karnoni hudu - sun sami damar fadada irin iko da mulkin da suke da shi zuwa wasu kasashe na nesa.