The effect of the 16th Amendment was that b) It granted Congress the
power to tax incomes. The 16th Amendment to the United States
Constitution allowed Congress to levy taxes without apportioning it to
that specific state or basing it on the United States Census
(apportioning it to the state and according to their respective numbers)
and this included all taxes except income tax.
After several losses in the Pacific, such as the loss of the Solomon Islands(Dec 1943) and the loss of the Battle of Leyte Gulf (Oct 1944), I think Japan realised that it was fighting a losing battle. Kamikaze literally means 'divine wind' and was seen as a very honourable death. The Japanese were very resilient and by the end of the war kamikaze bombers had sunk 34 US ships and damaged 288 more. Not a very good answer to your question but hope it helps.
Answer:
What law did the British pass after the war that helped start the American Revolution?
The intolerable act