<span>Political appointees always rewarded an administrations supporters with contracts. What caused the failure of the civil service advisory board created in 1871</span>
Answer:Courts with unlimited jurisdiction
Explanation:
The answer is two and a half years.
The United States watched World War I from afar for two and a half years before entering and declaring a war against Germany on April 6, 1917. Before entering the war, United States was intent on keeping a neutral relationship between countries that are involved in the war.