How did russia overcome its isolation from europe ?

When the united states entered world war ii it affect the lives of americans in many ways people were asked to such as food oil and gas the government awesome cars to purchase a to the country financially during the war more more working in all industries during the war

What would lead a historian to consider two events to have a relationship of correlation rather than causation

The tomb of qin shihuangdi could be compared to what? a pharaohs tomb a christian coffin tomb of the unknown soldier a labyrinth