Answer:
Sagittarius A* ( D.) is the name of the black hole region that creates the gravitational force holding the Milky Way together.
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B.
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
Answer:
Establishment of zoning regulations
Improvements in housing
Racial segregation in the housing section
Explanation:
The Urban reforms of the nineteenth century were purposely created to combat the issue of slum building and public hazards which has caused an increment in the mortality rate.
Hence, following the establishment of the urban reforms during this period, some of the results that were observed were both positives and negatives. This include:
1. Establishment of zoning regulations, such as the New York State Tenement House Act of 1879
2. Improvements in housing accommodation.
3. Racial segregation in the housing section