Answer:
Allan Sandage
Explanation:
Allan Sandage is an american astronomer that has undertaken extensive efforts to evaluate Hubble's constant rate of universe expansion.
in the beginning of his career in 1958 , the primary focus of Allan is to evaluate the Hubble's constant rate.
He used many different techniques to determine the distance to several galaxies. From these many different calculations, average value of Hubble's constant was about 50 km/sec/megaparsec.
Answer:
The Cherokee had that language. Sequoyah, a Cherokee, invented it in 1821. He got the idea from seeing non-native soldiers reading what he called talking leaves (words on paper.)
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By implementation of black codes and Jim crow laws, Southerners were able to restrict the rights of African Americans in the late 1800.
Explanation:
After the civil war, the confederate states were quick to envisage what was known to be black codes. These were laws that were advocated with the desire to bring back the same conditions that prevailed during the slavery. These laws insisted the African Americans to work for low wages and restricted their freedom to associate with one another in the same country. Black code were created by the white law makers who desired to prove their dominance in the country.
Prevalence of slavery in the antebellum south is the major cause in fact for the American economy to attain stability. Jim crow laws legalized segregation of people based on their race and ethnicity. It was considered to be legal based on the doctrine 'separate but equal' mentioned in the constitution.
Answer:
The powers not delegated to the united state.
Explanation:
According to the 10 amandment