Answer:
Plessy v. Ferguson was important because it essentially established the constitutionality of racial segregation. As a controlling legal precedent, it prevented constitutional challenges to racial segregation for more than half a century until it was finally overturned by the U.S. Supreme Court in Brownv. For some fifty years, the Plessy v. Ferguson decision upheld the principle of racial segregation. Across the country, laws mandated separate accommodations on buses and trains, and in hotels, theaters, and schools. The Court's majority opinion denied that legalized segregation connoted inferiority.
Explanation:
I believe the answer would be Lyndon B Johnson. Hope this helps! :)
They built the panama canal in the city of panama to help connect the atlanic ocean and pacific ocean. People form the east coast sailed through the panama canal to californa.
The answer is arousal theory
Arousal theory is a motivation theory that state human motivation changes from day to day hence high arousal events are remembered better than low arousal events. This applies the same way to human emotions where by strong emotions form strong memories while weak emotions form weak memory