The Pure Food and Drug Act
Yes
John Tyler and Woodrow Wilson both suffered the death of their wives while in office and took a new bride while President.
John Tyler, Grover Cleveland and Woodrow Wilson all got married while they were in office as President.
The Montague-Chelmsford Reforms were passed in 1919 in response to increasing demands for self-government in India. They aimed to provide Indians with a greater role in governing their own country while maintaining British control over key areas like defense and foreign policy. The reforms were seen as a step towards eventual self-rule for India.
Established a federal income tax lowered tariffs
Woodrow Wilson had a stroke while president was severely disabled.
The proposed amendment was passed by Congress while Woodrow Wilson was President. I don't think Wilson pushed for it much.
Jefferson, Jackson , Van Buren , Buchanan and Arthur were unmarried during all their years in office. Only Buchanan was a bachelor; the others were widowers. Cleveland entered office as a bachelor but married while President. Wilson, Tyler and Benjamin Harrison all had wives who died while they were president. Tyler and Wilson remarried before they left office. Harrison left office as a widower but did remarry later.
Woodrow Wilson was disabled by a stroke while in office. Franklin Roosevelt died from something like a stroke while he was President.
See website: Lyndon B. Johnson
Woodrow Wilson went to Europe for the peace talks after W W I .
John Tyler was the first to be married while president. Grover Cleveland and Woodrow Wilson accomplished this feat at later dates. It was the first marriage for Cleveland. Tyler and Wilson both saw their wives die in the White House and re-married before they left office.