Ireland, due to the potato famine.
It separates North and South Korea. It was the border between them since the Korean war that was led over the unification of the country. The northeners wanted to have a fully communist Korea while the southerners wanted to have a western oriented Korea.
Answer:
because the natives did not have an immunity to that disease
Explanation:
Constantine made Constantinople the capital of the Byzantine Empire in 330 because it was well protected, had a great location, and was wealthy. The city was rich and successful for so long because it was well protected by water on three sides and had land and sea walls!