What were small Pacific islands, like the Marshall Islands, typically used for by Europeans and Americans?

Small Pacific islands, like the Marshall Islands, were typically used as Military testing sites by Europeans and Americans

Explanation:

The Marshall Islands has two island chains. They are made up of 'coral limestone' and 'sand'. U.S. nuclear 'test sites' were Bikini and Enewetak. Kwajalein which was even the battleground for World War II is used as a test range for missiles now.

American forces invaded and started controlling the Marshall Islands which was used by the Japanese base for military operations for a long time. It was with Japanese since World War 1.

Nuclear tests were conducted in Marshall Islands and few sites in Pacific ocean between 1946 and 1962. 'Bikni Atoll' was the place where a nuclear weapon was tested.

answer; i believe that the correct answer is (decreased)