Crossword puzzle clue "island shared by two countries"

Island shared by two countries

Currency shared by 18 countries, including Spain and Greece

Island shared by two states

Molecular link with two pairs of electrons shared by two atoms

Continent that is very large and has many Ebola-free countries, despite a New Jersey school freaking out over two new students from Rwanda: Abbr.

Continent with the world's two most populous countries

Pact between two countries

___ citizenship (what a resident of two countries may hold)