The correct answer is option 'B', Cuba.

The Florida Strait is a stretch of water located between the southeastern coast of the United States and the northern coast of Cuba. It is part of the larger body of water known as the Gulf of Mexico. Let's explore more about the Florida Strait and its significance.

The Florida Strait
The Florida Strait is approximately 90 miles wide at its narrowest point and extends for about 330 miles from the Florida Keys in the United States to the northern coast of Cuba. It connects the Gulf of Mexico to the Atlantic Ocean. The strait is known for its strong currents and is an important shipping route for vessels traveling between the Gulf of Mexico and the Atlantic Ocean.

Geographical Location
The Florida Strait separates the United States, specifically the state of Florida, from the island nation of Cuba. It lies to the south of Florida and to the north of Cuba. The strait is surrounded by the Atlantic Ocean on the east and the Gulf of Mexico on the west. It is located in the Caribbean Sea region, which is known for its warm waters, tropical climate, and diverse marine life.

Significance
The Florida Strait has significant geopolitical and economic importance. It serves as a natural boundary between the United States and Cuba, marking the divide between the two countries. The strait has been a topic of historical and political interest due to the complex relationship between the United States and Cuba.

Migration and Travel
The Florida Strait has also been a route for migration and travel. Over the years, many individuals have attempted to cross the strait from Cuba to the United States in search of better opportunities or to escape political unrest. This has led to various migration issues and policies between the two countries.

In conclusion, the Florida Strait separates the United States from Cuba. It is a significant body of water with geopolitical, economic, and historical importance.