Majority of the opinions of the supreme court are important because They establish Legal precedents....
Hopefully this helps :)
Yes.. well they do not always agree with them,
The supreme court normally goes their own path, with everything that they do...
Fifteen years after the collapse of the Soviet Union, "U.S.-Russia relations are clearly headed in the wrong direction," finds an Independent Task Force on U.S. policy toward Russia sponsored by the Council on Foreign Relations. "Contention is crowding out consensus. The very idea of a 'strategic partnership' no longer seems realistic," it concludes.
A. Goods became cheaper and plentiful
Prior to the conflict between Britain and its North American colonies, the colonies were able to manage majority of its own affairs without Britain's interference. However, when Britain started implementing stricter measures on their colonies' trade and other affairs, the colonies didn't like it. This started the tension between both parties.