The strategy of “island hopping" in the Pacific, which was developed by a joint US
ArmyNavy command, involved Allied attacks on what?

Islands.

Explanation:

During the second world war, the US Navy attacked the Japanese by strategically taking islands the Japanese held. This was known as Island Hopping. Once an enemy island was taken, a base would be established or an old enemy base would be renovated to become a strategic position against the Japanese.

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.

answer; the changing age structure of the population;