**PLEASE HELP FAST** What was the most important historical effect of the astrolabe?

A. It enabled sailors to find their latitude.
B. It may have originated in Africa.
C. It made possible long voyages beyond sight of land.
D. It spread from Africa or the Middle East to Europe.

The map shows the allied strategy in the pacific. what does the movement of allied troops reveal about their strategy? the allies’ objective was to reach japan as soon as possible. the allies kept getting diverted in their quest to reach japan. the allies overtook outlying islands to make access to japan easier. the allies retreated just before they reached the first set of islands.