In the 15th century, Europe started to extend itself beyond its geographic frontiers. Reclamation of the frontiers and colonization of undeveloped areas. The expanding colonial frontiers resulted in a Commercial Revolution. Barbarian pressure on the frontiers hastened internal dissolution. The INA's first commitment was in the Japanese thrust towards Eastern Indian frontiers of Manipur. Forces from the various frontiers were dispatched against Ballomar. The region contains one of the last ecological frontiers of the Philippines. Overpopulation, open agricultural frontiers, and rising industrial centers attracted voluntary migrants. As such, jagds tend to be harsh, lawless frontiers, uncontrolled by any nation. The importance of Rome declined, because the city was far from the troubled frontiers. Potsdam conferences and by the 1975 Helsinki Accords, which declared the inviolability of existing frontiers. Britain tried to deter an invasion by guaranteeing Greece's frontiers. Nevertheless, Akbar's stay in the northern frontiers was highly fruitful. Ethnic minorities made the location of the frontiers generally unstable. Christian missions were especially successful among ethnic groups on the frontiers.