Abraham Lincoln was the president and the Commander-In-Chief during the war, which is the highest military rank.
Ulysses Simpson Grant was Commanding General of the Union (North) along with Abraham Lincoln. Many people believe that General Grant was the commanding officer, so I would go with Ulysses Simpson Grant.
One of their biggest arguments was whether or not the USA should join the League of Nations
<h3>Answer:</h3>
A) a fear of European involvement in Latin America.
<h3>Explanation:</h3>
The Monroe Doctrine was a United States strategy of confronting European colonialism in the U.S starting in 1823. It declared that additional efforts by European states to take charge of an independent nation in North or South U.S would be observed as "the demonstration of a contrary disposition proceeding the United States." At the same event, the doctrine perceived that the U.S. would realize and not interpose with surviving European colonies nor interrupt in the internal affairs of European lands.
