Find what's wrong with the question. 1 after signing the louisiana purchase, the u. s. and spain declared war and napoline, the emperor of france. 2. the 182el mexican law increased the amount of land grant's for each person, which encourages the empresario system that lead to a population boom in texas. 3. the primary goal of the gutierrez-magee expedition was to make texas independent from spain. 4. spanish settlements in texas in the 1700s were primarily ranching and farming communities where as anglo american settlement's in the 1800s were missions and prestidos.