Columbus was wrong in discovering the new world.
<u>Explanation:</u>
Columbus a Spanish sailor was a voyager who was too inquisitive to find the new world. It is believed that Columbus was the one to discover America. But there were already many people who had been living there.
Christopher Columbus journey across the sea was funded by the King and Queen of Spain. They put an agreement with him promising that he would be the Governor of whichever land he steps and also 10% was to be given to him as a share of the treasure that he takes from place.
When he stepped into a place he amputated and even killed people without mercy if they were not providing him with his requirements.
The only positive thing is that he paved way for the cultural, trade exchange between the two worlds.
Answer.. regulate navigation for purposes of conducting interstate commerce
Explanation:
Justice Marshall concluded that a regulation of navigation by Steamboat operators and others for purposes of conducting interstate commerce was a power reserved to and exercised by the Congress under the Commerce Clause as interstate navigation fell under the interstate commerce New York could not interfere with it and the law was there invalid
On July 30, 1965, President Lyndon B. Johnson signed the Medicare and Medicaid Act, also known as the Social Security Amendments of 1965, into law. It established Medicare, a health insurance program for the elderly, and Medicaid, a health insurance program for people with limited income.
Hope this helps, the link is done below. (Not taking credit, those are not my words)
https://www.archives.gov/milestone-documents/medicare-and-medicaid-act
Slavery was why the north and south were fighting, so it would be slavery