Becuase one child is enough
Colonization or colonialism
Alexander was great indeed. He managed to unite the entire Greece under his rule, and not only that, but he also vastly increased the size of his empire, covering almost entirely what was then the known world. Another great part about him was that he was not merciless towards his enemies and never imposed his religion or laws to anyone, but rather allowed different cultures to remain as they were, as long as they behaved properly and paid taxes and what not.
The correct answer is: "There is a situation or shortage or of excess demand".
Rationing is an allocation system that is adopted in an economy when the amount produced cannot serve the whole demand and there is no price adjustment. This was the case during WWII. A possible rationing strategy could be "first come, first serve", for example or dividing the total output between the population and allocating a fixed ration for each person.
The articles of confederation went into effect in March of 1781