Clashes between the Qing government and British merchants ultimately escalated into the infamous Opium Wars. As a result, the British were given the island of Hong Kong and trading rights in the ports of Canton and Shanghai.
The antennae help the crab hid from predetors and get food. The antennae can also detect if predetors are around.
The crab color is also helpful because it helps crabs camouflage in the (sand)enviroment.camouflage helps them blend in with sand so they wont be snatched up by predators(seagulls) flying in the sky.
the answer is b The U.S. Supreme Court has found that the U.S. citizens have a right to privacy based upon the U.S. Constitution