Dante is writing an argumentative essay on how the Columbian Exchange helped indigenous peoples. Which claim is the most effective and should be included in his essay?

The Columbian Exchange was a big event that brought new ideas to indigenous peoples.
The Columbian Exchange brought horses and cows, which changed life for indigenous peoples.
The Columbian Exchange brought big changes for indigenous peoples, such as new ideas and religious beliefs.
The Columbian Exchange was beneficial for indigenous peoples because it brought horses, which improved transportation.