Они получили в собственность землю и людей, живущих на ней. (Дословно - им было дано право собственности на землю и людей, живущих на ней).
Вопросы:
Were they given ownership of land and of the people living on it?
What were they given?
Were they given ownership of land and of the people living or working on it?
Тhey were given ownership of land and of the people living on it, weren't they?