Occupation. The term in the historical past did not meet the conventional sense of the occupation as a temporary occupation of the armed forces of one State against the territory of another State or part thereof / and establishing the rule of the military administration in occupied territory. Under the occupation once known as the occupation and management of such a territory which is not under the sovereignty of any state, that is was “no man’s land. Because there is currently no such territories, but also because of progress of international law in accordance with its contemporary principles and norms of national territory can not be the object of occupation resulting from the use of force in violation of the UN Charter. Conquest. According to the old international law / mainly up to early 20 th century. Winning the state had the right to attach a part of the territory they had won a defeated state, and in the event of total destruction of the enemy to seize the whole of its territory, considering vanquished state destroyed. Thus, the old international law of war represented not only a means of settling international disputes, but also a way to change the legal status of the territories. At this repeatedly drawn attention to the well-known Russian international lawyer FF Martin, who stressed that the conquest, as the oldest way of acquisition of territory, so far the most frequently used. From the above it follows that there are two types of institution gains: the accession of the conquered territory of a foreign state / when there is complete destruction of the enemy / and the subjugation / elimination of the armed forces of a foreign state, taking over all its territory and its annexation of winning the state.
3. Assignment. This institute is a transfer of the territory of one state to another by agreement between them. In the past, an assignment often carried out without taking into account the interests of certain states and peoples, so in this respect, it is contrary to the principles and norms of modern international law. Nevertheless, the current assignment permissible to the extent to which it does not violate the rights of peoples and nations to self-determination.