NEW YORK — William E. Leuchtenburg, a prize-winning historian widely admired for his authoritative writings on the U.S. presidency and as the reigning scholar on Franklin Roosevelt and the New Deal, has died at 102.

Far from being ceremonies only, they foretold much of what the new presidency would mean. Franklin D. Roosevelt making his inaugural address as 32nd President of the United States on Jan. 1, 1933. The template for this in the 20th century was Franklin D.

William E. Leuchtenburg, a leading scholar of Franklin Roosevelt and the Great Depression, has died at age 102.

His writings, which stretched across eight decades, helped Americans understand a president who transformed the office and shaped the postwar years.

Trump is kicking off his second term with a flurry of executive actions. Here's a look at the three main types — orders, proclamations and memorandums — and how they typically work.