Answer:
Christianity is the most widely practiced religion.
Native cultures have had important influences on modem cultures.
Step-by-step explanation:
Iroquoian languages are spoken only by natives from North America and not by natives of the other regions.
Brazil is the only country in all of the regions that speaks mainly Portuguese.
Quechua is a language pertaining to some natives from South America, but it is not present in North America, Central America, and in the Caribbean.
Be it Catholics or Protestants, Christianity is the most widely practiced religion in all four regions.
To this day, heritages from native cultures can still be seen in all of the mentioned regions and still play an important role in their modern cultures.
Therefore, the correct answers are :
Christianity is the most widely practiced religion.
Native cultures have had important influences on modem cultures.