China’s Maritime Disputes (CFR)

The East and South China Seas are the scene of escalating territorial disputes between China and its neighbors, including Japan, Vietnam, and the Philippines. The tensions, shaped by China's growing assertiveness, have fueled concerns over armed conflict and raised questions about Washington's security commitments in its strategic rebalance toward the Asia-Pacific region.

http://www.cfr.org/asia-and-pacific/chinas-maritime-disputes/p31345#!/