What were the two most important results of the european voyages to the americas?

The major impacts of the European voyages to the Americas were the establishment of trading settlements or colonies, the reaping of new raw materials, the establishment of new trade routes, resettlement of Europeans to the Americas, and continued exploration for sea routes to India and Asia. Any of these reasons could be boiled down to the "two" most important results, however there were many subsequent results. 

Answer they are produced by collision of tectonic plates;

Mexico has a host of environmental problems, including significant chemicalpollution  from factory discharges and waste dumping, but the main threat to itsbiodiversity  probably stems from  deforestation  and other natural habitat losses. forest habitat is lost for a number of reasons