Answer:
Railroads provided fresh supplies of arms, men, equipment, horses, and medical supplies on a direct route to where armies were camped. The railroad was also put to use for medical evacuations, transporting wounded soldiers to better medical care.
Explanation:
The Yalta conference was when Roosevelt, Stalin and Churchill decided to demand Hitler's unconditional surrender and began plans for a post-war world.
The Tehran conference was when the 3 above decided to put up a second front to the Nazi Germany.
Potsdam was when the 3 discussed terms for the end of WW2
England, puritans emigrated to america to gain the liberty to worship god.
Homo sapiens, the first modern humans, evolved from their early hominid predecessors between 200,000 and 300,000 years ago. They developed a capacity for language about 50,000 years ago. The first modern humans began moving outside of Africa starting about 70,000-100,000 years ago.