plants, animals, culture, human populations, technology, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries
Not sure if you still need this, but it is actually the last once, the Channel and Sea were barriers that made it impossible to get an invasion force to the Island without the RAF and the Royal Navy interfering
D is the correct answer.
The election of Rutherford B. Hayes led to the demise of reconstruction as power was returned to the state governments just 12 years after the Civil War. This led to the quick development of laws meant to disenfranchise recently empowered African-Americans throughout the South.
