Which choice best states one of the purposes of Lincoln's speech? To emphasize the South's role in causing the war To caution against ending the war too soon To reflect on the causes and effects of the war To outline the key historical events of the war

## Step 1<br />The problem is asking us to identify the main purpose of Lincoln's speech. The options provided are:<br />- To emphasize the South's role in causing the war<br />- To caution against ending the war too soon<br />- To reflect on the causes and effects of the war<br />- To outline the key historical events of the war<br /><br />## Step 2<br />We need to consider the context of Lincoln's speech. Lincoln's speeches during the Civil War were often focused on the causes and effects of the war, rather than on the South's role in causing the war, cautioning against ending the war too soon, or outlining the key historical events of the war.<br /><br />## Step 3<br />Based on this understanding, the option that best states one of the purposes of Lincoln's speech is "To reflect on the causes and effects of the war".