Answer:
The addition of oars and sails gave Viking boats an advantage over all other watercraft of their day in speed, shallow draft, weight, capacity, maneuverability, and seaworthiness. Viking boats were designed to be dragged across long portages as well as to withstand fierce ocean storms.
Explanation:
Helped determine our distance from the sun and might have an atmosphere, like Earth.
Answer:
Plessy v. Ferguson, was a court case decision of the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as the segregated facilities were equal in quality.
Answer:
Elastic Clause
Explanation:
Implied powers come from the Constitution's “Elastic Clause,” which grants Congress power to pass any laws considered “necessary and proper” for effectively exercising its “enumerated” powers
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