The answer will be D because if there is a purpose behind an issue it can help provide examples and backup.
At least to me
Answer:
The discovery of gold in California and Alaska was a large incentive to early American migration.
Explanation:
<span>A synapomorphy refers to one specific characteristic of an ancentral species while a symplesiomorphy is the overall traits of the ancentral species (would include many characteristics)
Because of this, we could say that a synapomorphy is just a subgroup of a symplesiomorphy</span>
Https://answers.yahoo.com/question/index?qid=20101020182535AAeLehx Hope this helps :)