There is a conspiracy theory that FDR provoked the Japanese attack in order to sway the American opinion and make it possible for the U.S. to enter the war
FDR froze Japanese assets and embargoed petroleum shipments because they attacked China and were in "cahoots" with the Axis Powers
"...Yesterday, December 7, 1941 — a date which will live in infamy — the United States of America was suddenly and deliberately attacked by naval and air forces of the Empire of Japan…"
~Franklin D. Roosevelt/ President, this quote was apart of a speech to everyone after the attack "Day of Infamy"
The attack on Pearl Harbor was an act of anger. If the United Stated didn't freeze the assets of Japan then, Pearl Harbor wouldn't have gotten bombed and the United States wouldn't have gotten in war.
Japan hit Pearl Harbor with a upraise attack (The US Naval Base). The Japanese brought nearly 360 aircraft and were ordered to take out 33 American Ships. The attack resulted in 18 Ships and 170 aircrafts being destroyed.