Complex sentence: The island's distance from the rest of the Argentine territory is less than two miles, and its jurisdictional status was formally established by the Treaty of Río de la Plata between Uruguay and Argentina on November 19,1973.
Split into simpler sentences: The island's distance from the rest of the Argentine territory is less than two miles. Its jurisdictional status was formally established by the Treaty of Río de la Plata between Argentina and Uruguay on November 19,1973.