What debates from the
Reconstruction era remain unresolved in the United States.

Institutional and individual racism were absolutely (and still are) issues from the Civil War that were left unresolved by the turn of the twentieth century. The few gains that were won through the Reconstruction Era were quickly rolled back due to immense vigilante racism that coursed through the South.

Explanation:

d is the answer. leo should include the source.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.