The greeks won because they had better equipment then the persians.
The Mexican government encouraged Americans to settle in Texas to prevent border violations form horse thieves and to protect the territory from Native American attacks. Also by encouraging American settlers to come to Texas, the farmers could purchase farm implements from the US to increase the flow of manufactured goods into Mexico.
<span>feudalism an inevitable stage in the development of capitalism. Commercial capitalism existed in various countries in the ancient world without a prior stage resembling the feudalism of the Middle Ages in Europe. Industrial capitalism came into existence in the United States, in Canada, and in Australia without a prior stage of feudalism. By a rather heroic oversimplification, the precapitalistic era in Japan might be termed feudalism. </span>
The principle that holds that the powers of government should be limited and embodied in a basic written law is referred to as constitutionalism.
This means that the government has to adhere to the Constitution, which is the utmost and most important law in a country. Anything that doesn't somehow align with the Constitution will be considered illegal, so obviously the government has to follow its rules.