Yes, the world’s real estate has been divided up into approximately 200 Countries, many of them still in dispute. You are just pisssed about one of them. Please stop being a hypocrite.
China, by itself has the largest number of neighbors (14) sharing its 22,000 km land borders namely: North Korea, Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan, India, Nepal, Bhutan, Myanmar, Laos and Vietnam and China is embroiled in territorial disputes all of them.