The correct answers to these open questions are the following.
The two different types of Nazi Camps were the following.
The Nazi built two types of Nazi camps: concentration camps and extermination camps.
Concentration camps were used by the Nazis to take prisoners and contain them. In these camps, Jewish people were prisoners and were forced to labor in extremely harsh conditions. Thousands of people died in these camps due to the exhaustive work.
On the other hand, extermination camps were built to kill people and bury them there. Nazis built gas chambers where they killed millions of people. 
Sobibor was an extermination camp and was located in Poland. 
Russian Prisoners of War (POWS) were sent to Sobibor because there they could die from mass starvation. 
 
        
             
        
        
        
The reform to voting procedures that followed the Panic of 1819 was that men no longer needed to own property in order to vote . 
        
             
        
        
        
The three major migration of
African-Americans during the current distribution in the US are the following:
1.      
Forced relocation from
Africa slavery
2.      
Great Migrations from the
south to the north before and after WW I and WW II to slog in the factories
3.      
<span>Development of the ghettos
to neighbouring areas during the 1950s and 1960s.</span>
 
        
             
        
        
        
1. Went 
2. Gone
3. Seen
4. Began
5. Thought 
6. Brought 
7. Said
8. Began
9. Made
10. Went