Equality. In a free market, there is likely to be significant inequality and poverty. This is not due to a meritocracy, but it could be due to unfair advantages of circumstances (inherited wealth, superior education). Governments can intervene to provide a basic security net – unemployment benefit, minimum income for those who are sick and disabled. This increases net economic welfare and enables individuals to escape the worst poverty. This government intervention can also prevent social unrest from extremes of inequality.
I think it's because they wished to avoid a war with Mexico, whose government refused to acknowledge the sovereignty of its rebellious northern province.
Greater range of natural hazards than any other country in the world marks the natural environment of <span>a. the united states. I think like that because of it's various environment.</span>