Which non-Communist country shared
a border with the Soviet Union in
northern Europe?

The Soviet Union was bordered by Afghanistan, Czechoslovakia (today Czech Republic and Slovakia), China, Finland, Hungary, Iran, North Korea, Mongolia, Norway, Poland, Romania, and Turkey, resulting in about 20,000 km of borders, additionally the country shared maritime borders with the USA and Sweden.

i think it's a)sparta

the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.