n the late 1990s, Fort Kent in northern Maine became North America's Biathlon center. Its 4233 residents are mostly of ancestry, and speak mostly .

1. French Canadian

2. French

Explanation:

Fort Kent is located in United States, associated for being the actual place for the North America's Biathlon center. It was recorded in the late 1990s that more than 63% of the population speaks French at home, while the rest speaks English at home.

Hence, it is true that, in the late 1990s, Fort Kent in northern Maine became North America's Biathlon center. Its 4233 residents are mostly of FRENCH CANADIAN ancestry, and speak mostly FRENCH.

i think it is the byzantine empire