Answer:
The following was significant about the Reykjavik Summit:
B. It led to a turning point in diplomatic relations.
Step-by-step explanation:
The Reykjavik Summit was a meeting between President Reagan and Soviet Premier Gorbachev which almost led to a nuclear arms-control agreement. Even though that purpose failed, the meeting was considered a turning point in regards to the Cold War. The summit paved the way for future diplomatic negotiations. Regular meetings between diplomats were arranged, which led to a speedy progress in several practical issues. For instance, the difference between regular weapons and nuclear weapons was made clear, and the decision that the use of nuclear weapons by any country was unacceptable was also made.