What is one result of the columbian exchange that still exists in the americas today? a- irrigation is used as a farming technique in argentina. b- brazil is one of the largest coffee producers in the world. c- maize is the most important crop in south america. d- the mayan religion is practiced throughout central america.

b. Brazil is one of the largest coffee producers in the world is one result of the Columbian Exchange that still exists in the Americas today.

The Columbian Exchange refers to the transfer of animals, plants, and culture by Christopher Columbus during in voyage.  

It was only during the early 1700s (through Columbian Exchange), that the crop of coffee made its arrival in the Brazilian fields. Coffee was not cultivated in Brazil prior to that.

Within a period of a few decades, Brazil came to be recognized as the largest producer of coffee in the world.  

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.