I think flatworms because im pretty sure they have a ganglia/ganglion
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However, vestigial organs have been used to justify how life changes over time. Vestigial organs are those organs that are no longer useful but are still in the body. an example of vestigial body in human beings is the appendix, which plays no role at all, but used to play important role in the past.
Answer:
I believe that the answer is that the Red Scare had contributed to fear and hate of Immigrants.
Many apologies if this is wrong.
The South Atlantic System made an interconnected Atlantic World since products, thoughts, and individuals were moved between the mainlands. This framework affected improvement in the British settlements since it associated America better to different nations and it expanded their economies.