Answer:
Correct answer is 1-The Pope is the head of the Roman Catholic Church with its followers numbering over 1 billion.
Step-by-step explanation:
First option is the only correct answer as the Catholic Church has many followers, especially in Latin America and Europe. It is headed by centuries by Pope.
Second option is not correct as Vatican has no army at all.
Third option is not correct as no one has that power.
Vatican has the smallest population in the world.