It was important because it brought water to the crops
An economy is a method of allocating capital to meet the needs and desires of individuals. It sets out how goods and services are produced and exchanged. The economics study is called economics and an individual who studies economics is called an economist.
He promised the people a constitution but then gave up the throne so therefore it was never written.
Trench warfare is a type of land warfare using occupied fighting lines consisting largely of trenches, in which troops are significantly protected from the enemy's small arms fire and are substantially sheltered from artillery. The most famous use of trench warfare is the Western Front in World War I. It has become a byword for stalemate, attrition, sieges and futility in conflict.
Trench warfare occurred when a revolution in firepower was not matched by similar advances in mobility, resulting in a grueling form of warfare in which the defender held the advantage.[2] On the Western Front in 1914–18, both sides constructed elaborate trench and dugout systems opposing each other along a front, protected from assault by barbed wire, mines, and other obstacles. The area between opposing trench lines (known as "no man's land") was fully exposed to artillery fire from both sides. Attacks, even if successful, often sustained severe casualties
It plays a huge role in the geographic pattern depending on various languages and types of people so it changes the geographic pattern up.