steam power
Fueled by the game-changing use of steam power, the Industrial Revolution began in Britain and spread to the rest of the world, including the United States, by the 1830s and '40s.
The Japanese Attacked Pearl Harbor. President Franklin Roosevelt called December 7, 1941, "a date which will live in infamy." On that day, Japanese planes attacked the United States Naval Base at Pearl Harbor, Hawaii Territory. The bombing killed more than 2,300 Americans.
ANSWER: Alhaji Shehu Shagari became the first democratically elected President.
Please give me brainliest !!