In the letter to the friend, you may include that the similarities between the Nicaraguan culture and American culture include similar foods which include a lot of fruits and vegetables, their love for baseball, and a strong sense of family as is obtainable in America.
How to write the letter
To write the letter, explain the similarities between the cultures. Both cultures eat a lot of fruits and vegetables, although the Nicaraguan cuisine is spicier than the American. Also, both cultures enjoy sports. The Americans love baseball just as the Nicaraguans.
Also, include that the transportation in Nicaragua is mostly made of taxis and motorcycles. The population of Nicaragua is small in comparison to America because there are just about 7 million people.