What was the main reason for interracial marriages in the new world?

the encomienda system required the spanish settlers to marry indigenous women.
the spanish missionaries believed interracial marriages would spread christianity.
most of the spanish immigrants were male, so many of them married indigenous women.
the male settlers found the women of the indigenous tribes much more considerate.

The correct answer is C) Most of the Spanish immigrants were male, so many of them married indigenous women.

The main reason for interracial marriages in the New World was because most of the Spanish immigrants were male, so many of them married indigenous women.

When Spanish men married American Indian women, the baby had the genes of both races. This newborn baby race was called the "Mestizos."  This represented the cultural amalgamation or combination of two races from different continents: The white Spanish and the brown Indians. For instance, in the case of Mexico, the Mexican race precisely is the true combination of these two races. The Catholic Church supported interracial marriages.

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since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.