Explanation:
Abraham Lincoln's assassination dramatically changed the Reconstruction era. President Abraham Lincoln, America's Civil War leader, was assassinated just five days after Confederate General Robert E. Lee surrendered his army at Appomattox Court House, ending the four-year War Between the States.
Railroads played an absolutely crucial role in the Industrial Revolution, since they made for the incredibly fast transfer of goods such as iron and steel that were used to build things--not to mention the transport of the workers themselves.
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The thing they had in common was that they were all ports so they could export and import goods on the Atlantic Ocean. Also, they were connected by an extensive road network. They were all located to the north so could ship goods to Canada no problem. </span>
When the Japanese empire was dismantled at the end of World War Two, Korea fell victim to the Cold War. It was divided into two spheres of influence along the 38th parallel. The Americans controlled south of the line - the Russians installed a communist regime in the north, later ceding influence to China.
<span>They would want to expand east+south because it would be hard to expand the other directions through deserts and mountains.
Hope this helps!! :)</span>
