It is called a Social Contract Theory.
Answer:
B
Explanation:
Rivers mean that America is separate from other countries.
Question: what nickname was used to describe Hayes after the election was over?
Answer: Old 8-7
Answer:
Genetics
Continental drift
Explanation:
The genetics knowledge which is a library of traits serves as an information center which can be used to analyse evolution was not available to Darwin.
The knowledge of continents being a giant raft floating on molten rock that could fit into a puzzle was not available to Darwin that could solve the solve the existence of oddly similar terrestrial species on separate continents.