`` These sanctions will bite , and bite hard , '' U.S . U.S . Ambassador Rice : " I'm not sure what you're talking about, but we do have a lot of people in the region who are very concerned that this could be an unintended consequence China is `` firmly committed '' to peace on the Korean peninsula , ambassador to U.N. says . The resolution will clamp down on North Korea 's officials , banks and cargo . Analysts say China is a key to determining whether the sanctions deter North Korea .
U.S . Ambassador Rice : " I'm not sure what you're talking about, but we do have a lot of people in the region who are very concerned that this could be an unintended consequence China is `` firmly committed '' to peace on the Korean peninsula , ambassador to U.N. says . The resolution will clamp down on North Korea 's officials , banks and cargo . Analysts say China is a key to determining whether the sanctions deter North Korea .