It helps them know when something happened and if one event lead to the cause of another <span />
Answer:
Chester William Nimitz, Sr. was a fleet admiral of the United States Navy. He played a major role in the naval history of World War II as Commander in Chief, U.S. Pacific Fleet and Commander in Chief, Pacific Ocean Areas, commanding Allied air, land, and sea forces during World War II.
The fact that the America was largely increased by farming in the 19th century
Decay, deconstruction of cities, poor management, inflation, too big to control, political corruption, bad economy, unemployment, power struggles, invaders. Hope that helps.
