Answer:
 made notable achievements in improving African-American education and health care.
Explanation:
The Freedmen Bureau was the popular name of the Bureau of Refugees, Freedmen and Abandoned Lands which was passed by an act by Congress on 3 March 1865 to help the African Americans and poor whites of south who lost their livelihood in Civil war. It aimed to provide educational facilities, legal assistance, housing and food to the former slaves. Efforts of this bureau were undermined because of the shortage of funds and racial segregation practices erupted in the South. 
 
        
             
        
        
        
It was an agreement to support the old order.
        
             
        
        
        
Answer:
St. Stephen's Tower 
Explanation:
The tower housing Big Ben was formally known as St. Stephen's Tower until 2012, when it was renamed Elizabeth Tower on the occasion of Elizabeth II's Diamond Jubilee, celebrating 60 years on the British throne.