Which US president was the best and y?

The results showed that historians had ranked Franklin D. Roosevelt, Theodore Roosevelt, Lyndon B. Johnson, Woodrow Wilson, Harry S. Truman, John F. Kennedy, Dwight D. Eisenhower, Bill Clinton, Ronald Reagan and Barack Obama as the best since that year.

But Abraham Lincoln is often considered the greatest president for his leadership during the American Civil War.

Explanation:

His eloquence in speeches such as the Gettysburg Address. James Buchanan is often considered the worst president for his inept leadership during the years leading up to the Civil War.

cuban communists pressured the soviet union to place missiles in cuba.

the anwser is missions