The Answer is B. Trade between Europe and byzantine empire.
The Korean War was the first militarized instance of containment, as U.S. and South Korea fought against communist North Korea. ... When the UN Security Council voted to aid South Korea in stopping North Korean aggression, the U.S. agreed to send troops to the Korean Peninsula.
When using chopsticks, it is not appropriate to place them vertically. This is because putting your chopsticks facing straight up gives e impression to others that you want someone to die and wish death upon someone.