John Kay invented the flying shuttle.
The medical advancements came out of research occurring during WWI. The polio vaccination introduced in 1955, changed the outlook for children in America who may have been diagnosed with the disease. This innovation extended the life expectancy and made it more likely children would make it to adulthood. This increased the size of families as more children would live past childhood and not die from now preventable diseases.
The Green Revolution will emerge in the 1960s after the release of Rachel Carson's book Silent Spring. This book showed the damaging impact people had on the environment. Efforts would produce a return to more natural methods as well as recycling programs. In the 1970's, Nixon introduced Earth Day and created the EPA.
The space program was created as an extension to the arms race with the USSR. Rocket technology helped to create the NASA program which was a federal means of producing innovation for both war and space travel. This drive became an important part of the Cold War and the ability to show the USSR that the US was more advanced and more intelligent.
A bc after u start printing, you are not in history no more. u would become a doctor like photosytheies.
A. used terror as a weapon and an effective war tactic.
B. gave the inhabitants of cities he attacked the choice of surrendering or dying.
D. used new fighting methods including siege towers, scaling ladders, and catapults.
E. turned his warriors into an army and united the Mongols.
F. commanded his soldiers to fight pretend battles to sharpen their skills.
<span>So, A, B, D, E, and F identifies or explains methods Genghis Khan used to gain power and enlarge his empire. </span>
<span /><span>C.<span>put away his soldier's armor and ruled as emperor. That was Kublai Khan, grandson of Genghis Khan.</span></span>
<span><span>Hope this helps.</span>
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