 Although the borders of Mozambique had nominally been fixed by the Berlin Conference of 1884-1885, Portugal lacked the capital to exert effective control or  exploitation of the territory.
<meaning-changed>  Although the borders of Mozambique had nominally been fixed by the Berlin Conference of 1884-1885, Portugal lacked the capital to exert effective control or  exploitation of the territory.
 Although the borders of Mozambique had nominally been fixed by the Berlin Conference of 1884-1885, Portugal lacked the capital to exert effective control or economic exploitation of the territory.