This is actually a trick question, because there were two leaders during the American civil war, Jefferson Davis and Abraham Lincoln.
Jefferson Davis is the <em>president of the CONFEDERATE STATES OF AMERICA.</em>
So generally,
Abraham Lincoln would be the president of USA.
Answer:
The American natives considered land to be precious and holy while the settlers see it as an economic benefit. The struggle between the Native and settlers grew when the Treaty of Fort Laramie was ignored by the US government. Natives were bound to nature, while the settlers pushed them toward the west as they started taking lands for farming. The westward expansion and Manifest destiny played a key role for the settlers to move in the American west.
Based from the diary entry, it would seem as though the Germans were ready for the Americans to attack. They put mines and obstacles in the sea and on land to deter the approaching army. They used a German 88mm gun-- a long-range anti-air craft, anti-tank, anti-personnel gun most feared by the Allies-- to gun down American soldiers.
Despite these diffulties, the American soldiers drew inspiration and strength to continue fighting under the leadership of Gen. Theodore Roosevelt Jr., son of President Theodore Roosevelt, one of the highest-ranking officer on the beach during D-day
It was a way to keep the balance between the pro slavery States and the ones that opposed slavery within Congress, so that there would be a balance.