Answer:
a. The growing power of the nobility and the priesthood cause the decile and fall of the Old Kingdom.
Explanation:
I could only help with A. SORRY
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Northerners had many politicians that didn't essentially care about reconstruction or African-Americans. They just went south to get into positions of power because the political area was open for newcomers since the old politicians in the South were the racists who led to the war. As they weren't that interested, the ideas of democracy soon ended and the policy of separate but equal was established which still enabled racism and segregation only in a legal manner.
I believe that immigrants migrated to the United States because of the abundance of resources and work opportunities. Many also fled from wars and sought safety for their families and themselves. Difficulties that immigrants from the 19th century faced ,and still face now, was the idea of Racism and also how society saw them. Many also had trouble finding places to live or people to communicate with. Many formed small groups and communities to stay together with the people of their own race and culture for safety.
They had no rights due to the fact that they were slaves.
The Articles of Confederation tried to <span>preserve the states' sovereignty but they failed. It ended up not giving congress enough power and the Articles of Confederation were eventually replaced with the US Constitution.</span>