The answer to the question above is they allowed American immigrants to populate Texas.
Under the Empresario System, the Mexican (in order to civilize Texas in 1820s, after they achieved their independence) government allowed American immigrants to settle and populate on Texas.
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A tribute empire is a collection of conquered or surrendered lands that give a ruling tribe or country tribute, or stuff that the conqueror asks for, for instance gold, women and cows.
Answer:
1.jefferson. 2.adams.3. Philip J. costopoulos
I dont know the second sorry