Rutherford B. Hayes. You know you can google these kinds of simple questions, right? It's much faster and more reliable.
Answer:A
the Incan civilization was known for the impressive waterworks in their city centers. Some of these included canals, fountains, drainage systems, and expansive irrigation.
One example of their advancement in this area is the Incan citadel called Machu Picchu which is said to be "the pinnacle of the architectural and engineering works of the Inca civilization" when talking about its water supply system.
During First World War the United States Congress passed the Selective Service Act on May 18, 1917 because President Woodrow Wilson wanted military conscription to gather men to help France, Britain, Russia and Italy, the act called all American men from 21 years to 30 for registration to help American allies with military services.
The correct answer is b) Drafting soldiers for the war effort.
