Answer: In both vertical and horizontal integration, entrepreneurs buy out their competition. Once competition is eliminated, the entrepreneur can raise prices and increase profit. I looked it up. Hope it helps^^
They United against Native American tribes is the reason people move to specific town.
Answer: The KKK was created because of the idea that racist white people believed that they were the superior race.
Explanation: i don't see any choices to choose from so im just giving the basic information.
Answer:
OPEC can be observed as a trade barrier because it could hypothetically completely exclude a country from trading with countries that produce oil and this would make life much harder for those countries. For example, OPEC introduced an embargo on the US in 70s and there was a huge spike in gas prices and a shortage of fuel.
Explanation:
It made the leader of the Yamato clan emperor of the entire country.