What is the name for an area where the boders are continually changing?

About 140,000 japanese died in this japanese city when americans dropped an atomic bob at the end of world war ii

Which describes italy’s mediterranean climate? a. moist in the summer and dry in the winter b. mild and wet all year round c. cool in the summer and warm in the winter d. hot in the summer and mild in the winter

What is a problem natives in both bolivia and peru face? a. extreme poverty c. discrimination b. limited access to resources d. all of the above