In general terms, the Marshall Plan was "<span>b. a program to aid European nations and to promote prosperity and democracy," since it was believed that this would help stop the spread of communism. </span>
There are a couple of reasons for why the empire didn't last. One of those reasons is that the empire was too great (big). Because the empire was too huge, it was divided into different parts after Alexander's death. He also didn't have an heir to the throne, so when he died, officials fought for power and to become king, which also contributed to the fall of the empire as well.
He helped to draft the Constitution of 1824 and was a major influence in the addition of a general colonization provision. Seguín assisted Stephen F. Austin in choosing land for the first colony of American settlers to immigrate to Texas. He later supported the Texas Revolution, providing political as well as material support.
The births and immigrants are equal to deaths and out going migrants.