The answer is <span> a slower metabolic rate.
Metabolic rate determine how much you burn your food into energy. If a person has a high metabolic rate, the burning process happens so fast which make that person more explosive and hard to gained weight.
Slower metabolic rate means that a large portion of that food will be stored as fat for future use, which make that person hard to lose weight.</span>
Village life in Rairok, a slightly more rural “suburb” island of Majuro. Escape from the city. With around 5,000 visitors a year, the Republic of the Marshall Islands is among the world's least-visited countries.
He made the assembly line greatly improving work methods.
Remember in world war two that most of Europe and japan was our enemies in world war two so the logical answer would probably be that we treated them poorly and locked them up in camps(Japanese)