<span>Soon after gaining independence from Spain in 1821, Mexico opened its northern coastal region of California to foreign trade. American vessels from the east were soon engaged in lucrative commerce with the Californios, Californians of Spanish or Mexican descent. Offering such necessities as cooking utensils and boots, as well as luxuries such as brandy, the Americans reaped profits of 200 to 300 percent. In exchange, the Californios exported cowhides produced on their vast coastal ranches.</span>
Answer:
Economic growth brings quantitative changes in the economy. Economic growth reflects the growth of national or per capita income. Economic development implies changes in income, savings and investment along with progressive changes in socio- economic structure of country (institutional and technological changes).
The US Constitution is referred to as the supreme law of the land.