In Micronesian art, which sentence accurately describes stick charts?
A.
If the stick charts were raised, the canoeists intended war; if they were lowered, the canoeists came in peace.
B.
They were used to help people navigate the ocean, noting the ocean swell patterns, island placements, and so on.
C.
They were charms that had an abstract human form whose legs were made from the spines of stingrays.
D.
They had removable carved birds at each end that were used to signal the intentions of the people in the canoe.