Question

what is the principle of effective occupation?
a country cannot claim a territory unless it has established some government there.
land is not operated nearly as efficiently with slaves as with machinery and free labor.
a persons work is the highest factor in their overall emotional well - being.
a societys citizens will not find their optimum professions without quality education.

Explanation:

The principle of effective occupation is a legal concept in international law. It means that for a country to claim a territory, it must have established some form of government or control over that territory. This is in line with the idea of territorial sovereignty acquisition.

Answer:

A. A country cannot claim a territory unless it has established some government there.